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United States of America Design
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Oct 17, 2017
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Aug 12, 2016
filing date -
Aug 12, 2016
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
AIR COOL INDUSTRIAL CO LTD | NO 257 SEC 1 CHUNG SHAN RD TANTZE DIST TAICHUNG CITY 42752 |
International Classification(s)

- 2016 Application Filing Year
- 2304 Class
- 432 Applications Filed
- 432 Patents Issued To-Date
- 100 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Wang, Cliff | Taichung, TW | 214 | 3179 |
# of filed Patents : 214 Total Citations : 3179 |
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- 10 Citation Count
- 2304 Class
- 0 % this patent is cited more than
- 8 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 17, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 17, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text
US Patent No: 8253081
System and method for electromagnetic pulse surface treatment
Abstract
A system and method for electromagnetic surface treatment of a work piece has an electromagnetic pulse generator and an electromagnetic pulse tool. The work piece has a working surface. A current pulse generated by the electromagnetic pulse generator travels through the tool producing an electromagnetic pulse. The electromagnetic pulse interacts with the working surface causing an indentation to form. A residual compressive stress layer is also formed. The indentation has a smooth and continuous topography that is described by an indentation perimeter, an indentation transition region, an indentation sidewall, an impact transition region, and an impact region. The method may also simultaneously, or subsequently, form a second indentation which overlaps with the indentation. An inter-indentation overlap region is formed when the indentations overlap. The inter-indentation overlap region is smooth and continuous. Multiple treated surfaces may easily be formed on the working surface of the work piece.
Description
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Legal Events
Date | Code | Event | Description |
---|---|---|---|
Sep 30, 2024 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Sep 30, 2024 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 28, 2024 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Aug 28, 2024 |
Apr 15, 2024 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Oct 29, 2019 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8 |
Aug 28, 2015 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Aug 28, 2012 | I | Issuance | |
Aug 08, 2012 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 17, 2012 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:GATEWAY ENGINEERING, INC;REEL/FRAME:028659/0954 Owner name: GATEKEY ENGINEERING, INC, OHIO Effective Date: Jul 17, 2012 |
May 14, 2012 | ZAAB | NOTICE OF ALLOWANCE MAILED | free format text: ORIGINAL CODE: MN/=. |
May 13, 2012 | ZAAA | NOTICE OF ALLOWANCE AND FEES DUE | free format text: ORIGINAL CODE: NOA |
Mar 25, 2008 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DYDO, JAMES R.;REEL/FRAME:020726/0353 Owner name: GATEWAY ENGINEERING, INC., OHIO Effective Date: Mar 25, 2008 |
Mar 13, 2008 | P | Published | |
Jan 25, 2008 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ADVANCED COMPUTATIONAL & ENGINEERING SERVICES, LLC;REEL/FRAME:020459/0313 Owner name: DYDO, JAMES R., OHIO Effective Date: Jan 25, 2008 |
Nov 13, 2007 | F | Filing | |
Jan 11, 2006 | PD | Priority Date | |
Jan 11, 2006 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DYDO, JAMES R;YUSHANOV, SERGEI P;REEL/FRAME:020102/0395 Owner name: ADVANCED COMPUTATIONAL & ENGINEERING SERVICES, LLC Effective Date: Jan 11, 2006 |

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