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United States of America Design
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Feb 23, 2010
Grant Date -
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Jun 29, 2009
filing date -
Jun 29, 2009
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
LEVI'S BUILDING COMPONENTS LLC | 137 NEWPORT ROAD LEOLA PA 17540 |
International Classification(s)

- 2009 Application Filing Year
- 0899 Class
- 3 Applications Filed
- 3 Patents Issued To-Date
- 100 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Fisher, Steven | Bird-in-Hand, US | 40 | 394 |
# of filed Patents : 40 Total Citations : 394 |
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Patent Citation Ranking
- 12 Citation Count
- 0899 Class
- 0 % this patent is cited more than
- 15 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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: 9236432
Graphene base transistor with reduced collector area
Abstract
A graphene base transistor with reduced collector area comprising an electron injection region, an electron collection region, and a base region wherein the base region comprises one or more sheets of graphene and wherein the base region is intermediate the electron injection region and the electron collection region and forms electrical interfaces therewith. A method of making a graphene base transistor with reduced collector area comprising forming an electron injection region, forming an electron collection region, and forming a base region wherein the base region comprises one or more sheets of graphene and wherein the base region is intermediate the electron injection region and the electron collection region and forms electrical interfaces therewith.
Description
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Jul 07, 2023 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Jun 03, 2019 | 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 |
Jan 12, 2016 | I | Issuance | |
Dec 22, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 25, 2014 | P | Published | |
Feb 25, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KUB, FRANCIS J.;ANDERSON, TRAVIS J.;KOEHLER, ANDREW D.;REEL/FRAME:033147/0157 Owner name: THE GOVERNMENT OF THE UNITED STATES OF AMERICA, AS Effective Date: Feb 25, 2014 |
Feb 12, 2014 | F | Filing | |
Mar 20, 2013 | PD | Priority Date |

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