Anti-tamper nut
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 30, 1990
Grant Date -
N/A
app pub date -
Oct 17, 1988
filing date -
Oct 17, 1988
priority date (Note) -
Expired
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
A locknut including an annular locknut body having a threaded inner surface and an outer surface, a locknut shroud rotatably mounted on the locknut body and having an inner surface facing the outer surface of the locknut body, an annular ridge on the outer surface of the locknut body defining a first shoulder, a second shoulder within the annular shroud, an O-ring mounted on an inclined surface of the locknut body and bearing against an inclined surface on the annular shroud to force the first and second shoulders into abutting engagement, an annular space between the inner surface of the annular shroud and the outer surface of the locknut body, and a plurality of lobes on the outer surface of the locknut body and located in the annular space for receiving a mating key.
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 | |
---|---|---|
MCGARD LLC (F/K/A DD&D-MI LLC) | 3875 CALIFORNIA ROAD ORCHARD PARK NY 14127 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Parks, Jeffery R | Elma, NY | 2 | 40 |
# of filed Patents : 2 Total Citations : 40 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 30 Citation Count
- F16B Class
- 0 % this patent is cited more than
- 35 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
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

Legal Events
Date | Code | Event | Description |
---|---|---|---|
May 10, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
May 10, 2022 | 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 |
Apr 03, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Apr 03, 2022 |
Nov 22, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 03, 2018 | I | Issuance | |
Mar 14, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
May 12, 2016 | P | Published | |
Nov 05, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KOGO, TAKUMA;REEL/FRAME:037061/0130 Owner name: NEC CORPORATION, JAPAN Effective Date: Nov 05, 2015 |
May 08, 2014 | F | Filing | |
May 17, 2013 | PD | Priority Date |

Matter Detail

Renewals Detail
