Piston assembly for use in a brake assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 18, 2008
Grant Date -
Sep 8, 2005
app pub date -
Mar 3, 2004
filing date -
Mar 3, 2004
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A piston assembly for use in a brake assembly has a piston sleeve having a first end, a second end, an external radius, an internal radius, and a cap on the piston sleeve second end. The cap has a first end, a middle portion, and a second end. The cap first end has an external radius and the cap second end has an external radius, wherein the cap first end external radius is smaller than the cap second end external radius. The middle portion is stepped to transition from the cap first end external radius to the cap second end external radius. The cap first end external radius is such that the cap first end slides into the piston sleeve. The cap middle portion has a conical mating surface, and the piston sleeve second end has a corresponding conical mating surface. Further, the cap second end external radius is larger than the piston sleeve external radius.
First Claim
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Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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B F GOODRICH COMPANY THE | 277 PARK AVE NEW YORK NY |
International Classification(s)

- 2004 Application Filing Year
- F16D Class
- 949 Applications Filed
- 422 Patents Issued To-Date
- 44.47 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Edmisten, Frank | Troy, OH | 1 | 17 |
# of filed Patents : 1 Total Citations : 17 |
Cited Art Landscape
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Patent Citation Ranking
- 11 Citation Count
- F16D Class
- 72.26 % this patent is cited more than
- 17 Age
Forward Cite Landscape
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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 |
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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

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Aug 22, 2017 | I | Issuance | |
Aug 02, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Nov 14, 2012 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE INVENTOR NAMES 'GUISEPEE D'ELIA' TO READ --GIUSEPPE D'ELIA' AND 'GIOVANNI TOSCO' TO READ --GIOVANNI TOSO-- PREVIOUSLY RECORDED ON REEL 028478 FRAME 0312. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNORS:CAPOZZOLI, AMEDEO;CURCIO, CLAUDIO;LISENO, ANGELO;AND OTHERS;SIGNING DATES FROM 20120524 TO 20120625;REEL/FRAME:029294/0009 Owner name: AGENCE SPATIALE EUROPEENNE, FRANCE |
Oct 25, 2012 | P | Published | |
Jul 02, 2012 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CAPOZZOLI, AMEDEO;CURCIO, CLAUDIO;LISENO, ANGELO;AND OTHERS;SIGNING DATES FROM 20120524 TO 20120625;REEL/FRAME:028478/0312 Owner name: AGENCE SPATIALE EUROPEENNE, FRANCE |
Sep 16, 2010 | F | Filing | |
Sep 16, 2009 | PD | Priority Date |

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