US3136017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Elastic Stop Nut Corp
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Filing: 1961-08-01
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Granted: 1964-06-09
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Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Preziosi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:31
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/02; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10S24/54; Y10S24/56; Y10S24/57; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45089
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A QUICK RELEASE FASTENER COMPRISING A STUD DEFINING AN AXIS AND HAVING A HEAD AND A SHANK, A PAIR OF DIAMETRICALLY OPPOSED PROJECTIONS AXIALLY SPACED FROM SAID HEAD AND EXTENDING OUTWARDLY FROM SAID SHANK AND HAVING FREE ENDS EQUALLY SPACED FROM SAID AXIS, A RECEPTACLE SURROUNDING SAID SHANK AND INCLUDING AN ANNULAR PORTION HAVING TWO PAIRS OF OPPOSITELY-FACING EXTERNAL WRENCHING SURFACES LOCATED CLOSER TO SAID AXIS THAN SAID FREE ENDS, SAID RECEPTACLE FURTHER HAVING A FLANGE HAVING A CLAMPING SURFACE FACING AWAY FROM SAID HEAD AND EXTENDING OUTWARDLY FROM THE AXIAL ENDS OF SAID WRENCHING SURFACES ADJACENT SAID HEAD, AND RESILIENT MEANS BIASING SAID PROJECTIONS AGAINST THE AXIAL END OF SAID ANNULAR PORTION REMOTE FROM SAID HEAD, SAID STUD BEING ROTATABLE WITH RESPECT TO SAID RECEPTACLE BETWEEN A FIRST LOCKING POSITION IN WHICH SAID PROJECTIONS EXTEND TRANSVERSELY BEYOND ONE SAID PAIR OF WRENCHING SURFACES AND A SECOND LOCKING POSITION IN WHICH SAID PROJECTIONS EXTEND TRANSVERSELY BEYOND THE OTHER SAID PAIR OF WRENCHING SURFACES.
Claim 2
Dependent Claim
163 words
A QUICK RELEASE FASTENER COMPRISING A STUD DEFINING AN AXIS AND HAVING A HEAD AND A SHANK, A PAIR OF DIAMETRICALLY OPPOSED PROJECTIONS AXIALLY SPACED FROM SAID HEAD AND EXTENDING OUTWARDLY FROM SAID SHANK AND HAVING FREE ENDS EQUALLY SPACED FROM SAID AXIS, A RECEPTACLE SURROUNDING SAID SHANK AND INCLUDING AN ANNULAR PORTION HAVING TWO PAIRS OF OPPOSITELY-FACING EXTERNAL WRENCHING SURFACES LOCATED CLOSER TO SAID AXIS THAN SAID FREE ENDS, SAID RECEPTACLE FURTHER HAVING A FLANGE HAVING A CLAMPING SURFACE FACING AWAY FROM SAID HEAD AND EXTENDING OUTWARDLY FROM THE AXIAL ENDS OF SAID WRENCHING SURFACES ADJACENT SAID HEAD, AND RESILIENT MEANS BIASING SAID PROJECTIONS AGAINST THE AXIAL END OF SAID ANNULAR PORTION REMOTE FROM SAID HEAD, SAID STUD BEING ROTATABLE WITH RESPECT TO SAID RECEPTACLE BETWEEN A FIRST LOCKING POSITION IN WHICH SAID PROJECTIONS EXTEND TRANSVERSELY BEYOND ONE SAID PAIR OF WRENCHING SURFACES AND A SECOND LOCKING POSITION IN WHICH SAID PROJECTIONS EXTEND TRANSVERSELY BEYOND THE OTHER SAID PAIR OF WRENCHING SURFACES.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |