US3176744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking fastening device
Assignee: Nylok LLC
•
Filing: 1963-04-23
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Granted: 1965-04-06
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Expires: 1983-04-23
Abstract
No abstract record available.
Inventors
- 👤 John W Brightman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:30
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/34; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A SELF-LOCKING FASTENER COMPRISING A MEMBER HAVING THREADS THEREON, A PORTION HAVING A PLURALITY OF SECTIONS OF SAID THREADS ON ITS OUTER SURFACE DEMARCATED BY AND SEPARATED FROM THE REMAINDER OF SAID THREADS BY A PAIR OF GENERALLY LONGITUDINALLY EXTENDING GROOVES ON EACH LATERAL SIDE OF SAID PORTION, SAID PORTION EXTENDING ONLY PARTIALLY AROUND THE CIRCUMFERENCE OF SAID MEMBER, AND A LOCKING INSERT OF RESILIENT PLASTIC MATERIAL OVERLYING SAID PORTION AND HAVING LATERAL EDGE PORTIONS EXTENDING INTO AND RETAINED IN SAID GROOVES, SAID INSERT BEING IMPALED ON SAID THREAD SECTIONS AND THEREBY RETAINED AGAINST LENGTHWISE MOVEMENT.
Claim 2
Dependent Claim
96 words
A SELF-LOCKING FASTENER COMPRISING A MEMBER HAVING THREADS THEREON, A PORTION HAVING A PLURALITY OF SECTIONS OF SAID THREADS ON ITS OUTER SURFACE DEMARCATED BY AND SEPARATED FROM THE REMAINDER OF SAID THREADS BY A PAIR OF GENERALLY LONGITUDINALLY EXTENDING GROOVES ON EACH LATERAL SIDE OF SAID PORTION, SAID PORTION EXTENDING ONLY PARTIALLY AROUND THE CIRCUMFERENCE OF SAID MEMBER, AND A LOCKING INSERT OF RESILIENT PLASTIC MATERIAL OVERLYING SAID PORTION AND HAVING LATERAL EDGE PORTIONS EXTENDING INTO AND RETAINED IN SAID GROOVES, SAID INSERT BEING IMPALED ON SAID THREAD SECTIONS AND THEREBY RETAINED AGAINST LENGTHWISE MOVEMENT.
References Cited (Backward Citations)
US3010503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |