US3342236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking bolt
Assignee: ASHER NAN OZIAS UNDIVIDED ONE-SIXTH (1/6TH INTEREST
•
Filing: 1966-03-07
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Granted: 1967-09-19
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Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 Samuel K Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:24
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/284; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SELF-LOCKING BOLT OR THE LIKE COMPRISING A HEAD AND A SHANK, SAID SHANK BEING COAXIAL WITH THE HEAD AND OF CIRCULAR CROSS SECTION AT ITS JUNCTURE WITH THE HEAD, SAID HEAD HAVING A BOTTOM FACE PROVIDING A BEARING SURFACE LYING PERPENDICULAR TO THE AXIS OF THE BOLT, SAID BOTTOM, FACE HAVING A SUBSTANTIALLY SEMI-CIRCULAR RECESS THEREIN AND EXTENDING AXIALLY A SUBSTANTIAL DISTANCE INTO THE HEAD
Claim 2
Dependent Claim
66 words
A SELF-LOCKING BOLT OR THE LIKE COMPRISING A HEAD AND A SHANK, SAID SHANK BEING COAXIAL WITH THE HEAD AND OF CIRCULAR CROSS SECTION AT ITS JUNCTURE WITH THE HEAD, SAID HEAD HAVING A BOTTOM FACE PROVIDING A BEARING SURFACE LYING PERPENDICULAR TO THE AXIS OF THE BOLT, SAID BOTTOM, FACE HAVING A SUBSTANTIALLY SEMI-CIRCULAR RECESS THEREIN AND EXTENDING AXIALLY A SUBSTANTIAL DISTANCE INTO THE HEAD
References Cited (Backward Citations)
BE567885A
Cited
GB357468A
Cited
US2343662A
Cited
US2362999A
Cited
US2694800A
Cited
FR1090665A
Cited
US2770998A
Cited
FR1183518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |