Spring loaded impact tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Sep 1, 2015
filing date -
Sep 1, 2015
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
The spring loaded impact tool is a safety device designed for use with impact tools such as chisels, pry levers, hammers, shovels, scrapers, or tampers. Specifically, the spring loaded impact tool is an enhanced shaft that replaces the traditional shaft that is used as the handle in impact tools. The enhanced shaft further comprises a spring that provides the user greater control over the impact tool compared to the traditional shaft. The spring loaded impact tool comprises an enhanced shaft. The enhanced shaft further comprises an outer shaft, an inner shaft, a compression spring, and a threaded connection.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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BURCHAM DONALD | Not Provided |
International Classification(s)

- 2015 Application Filing Year
- B25G Class
- 192 Applications Filed
- 129 Patents Issued To-Date
- 67.19 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Burcham, Donald | Carlinville, US | 1 | 8 |
# of filed Patents : 1 Total Citations : 8 | |||
Burcham, Gregory | Carlinville, US | 2 | 14 |
# of filed Patents : 2 Total Citations : 14 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 8 Citation Count
- B25G Class
- 41.86 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 16, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 16, 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

Legal Events
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Jan 14, 2025 | 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 |
Dec 19, 2024 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO SMALL (ORIGINAL EVENT CODE: SMAL); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Sep 13, 2024 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INNATE PHARMA S.A.;REEL/FRAME:070389/0571 Owner name: ARARIS BIOTECH LTD, SWITZERLAND Effective Date: Sep 13, 2024 |
Feb 01, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Aug 01, 2017 | I | Issuance | |
Jul 12, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 25, 2013 | P | Published | |
May 07, 2013 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED AT REEL: 031542 FRAME: 0849. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNORS:BREGEON, DELPHINE;BELMANT, CHRISTIAN;GAUTHIER, LAURENT;AND OTHERS;REEL/FRAME:043829/0952 Owner name: INNATE PHARMA, FRANCE Effective Date: May 07, 2013 |
May 07, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DENNLER, PATRICK;FISCHER, ELIANE;SCHIBLI, ROGER;SIGNING DATES FROM 20130521 TO 20130522;REEL/FRAME:031543/0004 Owner name: PAUL SCHERRER INSTITUT, SWITZERLAND free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BREGEON, DELPHINE;BELMANT, CHRISTIAN;GAUTHIER, LAURENT;AND OTHERS;REEL/FRAME:031542/0849 Owner name: INNAT PHARMA, FRANCE Effective Date: May 07, 2013 |
Dec 21, 2012 | F | Filing |

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