US3330012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw-type pin retainer
Assignee: Individual
•
Filing: 1965-06-28
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Granted: 1967-07-11
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Hart Don Rex
- 👤 Willard L Padgett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:35
CPC Classifications
F; F16; F16B; F16B25/00; F16B25/0005; Y; Y10; Y10T; Y10T24/00; Y10T24/32; Y10T24/46; Y10T24/4693; Y10T24/4695
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
159 words
STRUCTURE FOR HOLDING A SCREW-TYPE PIN IN RESILIENT MATERIAL SUCH AS UPHOLSTERY AGAINST LOOSENING ROTATION WHILE SUPPORT A BODY, COMPRISING A SCREW PIN HAVING A STRAIGHT SHANK PORTION FROM WHICH LEADS A SPIRAL LENGTH PORTION TERMINATING IN A SHARP POINT; A MANIPULATING HEAD FIXED ON SAID SHANK; AT LEAST ONE FINGER CARRIED BY SAID HEAD, DIRECTED LONGITUDINALLY OF THE PIN SHANK; A BODY HAVING A SURFACE THROUGH WHICH SAID PIN PASSES AND IN WHICH SAID SHANK IS ROTATABLE; SAID BODY SURFACE CARRYING AT LEAST ONE FINGER RECEIVING SOCKET; SAID FINGER ENTERING SAID SOCKET UPON TURNING OF SAID PIN BY SAID HEAD AND SAID PIN SPIRAL LENGTH ENTERING AND TRAVELING ITS LENGTH INTO SAID MATERIAL AND SAID SOCKET RECEPTION OF SAID FINGER PREVENTING REVERSE TURNING OF THE PIN; SAID FINGER BEING CONICALLY SHAPED; AND SAID SOCKET HAS AN INCLINED WALL PERMITTING SAID FINGER TO BE RETRACTED FROM SAID SOCKET UPON FORCIBLE TURNING OF SAID HEAD IN EITHER DIRECTION OF ROTATION.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |