US3263726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking fastener
Assignee: Long-Lok Corp
•
Filing: 1964-02-12
•
Granted: 1966-08-02
•
Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:54
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: 1
Claim 1
Independent Claim
124 words
A SELF-LOCKING FASTENING ASSEMBLY FOR COOPERATION WITH A COMPLEMENTARY THREADED ELEMENT COMPRISING: A FASTENING MEMBER FORMED WITH A SCREW THREAD FOR ENGAGEMENT WITH THE THREAD OF THE COMPLEMENTARY ELEMENT, SAID SCREW THREAD BEING A WHOLE SCREW THREAD WITH NO PORTION OF THE MATERIAL MISSING; AND DEFORMABLE RESILIENT PLASTIC MATERIAL EXTENDING LONGITUDINALLY OF THE FASTENING MEMBER WHOLLY OUTSIDE THE ROOT DIAMETER OF THE SCREW THREAD, WITH PORTIONS OF THE PLASTIC MATERIAL IN THE VALLEYS OF THE TURNS OF THE SCREW THREAD AND WITH PORTIONS OF THE CRESTS OF THE SUCCESSIVE TURNS OF THE SCREW THREAD DEFINING A CENTRAL LONGITUDINAL ZONE IN WHICH SAID PORTIONS OF THE CRESTS OF THE TURNS OF THE SCREW THREAD PENETRATE THE PLASTIC MATERIAL FROM THE UNDERSIDE OF THE PLASTIC MATERIAL,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |