Tailgate damping/detent system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 14, 2012
Grant Date -
Apr 21, 2011
app pub date -
Oct 19, 2010
filing date -
Oct 19, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A tailgate damping and detent system is disclosed for a vehicle, including a tailgate lift assist system with a torque rod rotationally grounded between the tailgate at a first end and a first side of the vehicle's frame at a second end. “Damping” is achieved by increasing the diameter of the torque rod. The increased torque rod diameter overcompensates for the weight of the tailgate, so that this increased load decelerates the tailgate starting from the neutral balance point to the fully open position. The speed of the tailgate approaches zero at the end of the travel of the tailgate to the fully open position, which greatly reduces the “slam” at the end of travel. The tailgate is held in the open position by a link detent system. There is a slot in the gate side of the link that a spring loaded pin latches into.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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TECHFORM PRODUCTS LIMITED | PENETANGUISHENE ON L9M 1R8 |
International Classification(s)

- 2010 Application Filing Year
- B60P Class
- 328 Applications Filed
- 216 Patents Issued To-Date
- 65.86 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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McIntyre, Andrew R | Midland, CA | 9 | 118 |
# of filed Patents : 9 Total Citations : 118 | |||
Smallwood, David J | Barrie, CA | 6 | 51 |
# of filed Patents : 6 Total Citations : 51 |
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Patent Citation Ranking
- 0 Citation Count
- B60P Class
- 0 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

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

Legal Events
Date | Code | Event | Description |
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Sep 21, 2020 | 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: LARGE ENTITY |
Sep 21, 2020 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Aug 14, 2020 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Aug 14, 2020 |
Apr 06, 2020 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jan 27, 2016 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Oct 06, 2014 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE PATENT NO. 6312696 SHOULD BE 6213696 PREVIOUSLY RECORDED ON REEL 034939 FRAME 0666. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNOR:M&C CORPORATION;REEL/FRAME:036812/0684 Owner name: TECHFORM PRODUCTS LIMITED, CANADA Effective Date: Oct 06, 2014 |
Oct 06, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:M&C CORPORATION;REEL/FRAME:034939/0666 Owner name: TECHFORM PRODUCTS LIMITED, CANADA Effective Date: Oct 06, 2014 |
Aug 14, 2012 | I | Issuance | |
Jul 25, 2012 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 21, 2011 | P | Published | |
Oct 19, 2010 | F | Filing | |
Oct 19, 2010 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MCINTYRE, ANDREW R.;SMALLWOOD, DAVID;REEL/FRAME:025158/0401 Owner name: M&C CORPORATION, MICHIGAN Effective Date: Oct 19, 2010 |
Oct 19, 2009 | PD | Priority Date |

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