US3190167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary sheet metal fastener
Assignee: Tinnerman Products Inc
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Filing: 1961-06-13
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Granted: 1965-06-22
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Expires: 1981-06-13
Abstract
No abstract record available.
Inventors
- 👤 Robert J Holton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:32
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B2/00; F16B2/20; F16B21/00; F16B21/02; F16B21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A ROTARY FASTENER FORMED OF SHEET METAL AND ADAPTED FOR ASSEMBLY WITH AN APERTURED SUPPORT PANEL COMPRISING, AN ELONGATED HEAD OF INVERTED U-SHAPED CONFIGURATION IN END ELEVATION, WITH THE OPEN END OF THE U ADAPTED TO FACE THE SUPPORT PANEL, A RESILIENT CAM-LIKE ELEMENT BENT INWARDLY ON THE UNDERSIDE AND EXTENDING FROM EACH END SURFACE OF THE INVERTED U-SHAPED HEAD TRANSVERSELY ACROSS THE OPEN END THEREOF, SAID ELEMENTS BEING SITUATED ON SAID HEAD ADJACENT EACH OF ITS OPPOSED ENDS AND BEING ADAPTED FOR COACTING ENGAGEMENT WITH THE CONFRONTING SURFACE OF SAID SUPPORT PANEL, A SPLIT SHANK DEPENDING DOWNWARDLY FROM SAID HEAD DEFINING A PAIR OF OPPOSITELY DISPOSED LEG PORTIONS, EACH OF SAID LEG PORTIONS BEING INTEGRAL WITH AND EXTENDING ONE FROM EACH OF THE SIDES OF THE OPEN END OF SAID U-SHAPED HEAD, SAID LEG PORTIONS BEING SPACED LATERALLY FROM ONE ANOTHER THROUGHOUT THEIR LENGTHS TO PROVIDE TRANSVERSE RESILIENCY IN SAID SHANK, SAID LEG PORTIONS HAVING CONVEX EXTERIOR SURFACES IN A GENERALLY TRANSVERSE DIRECTION, THE TRANSVERSE DIMENSION OF SAID SHANK BEING AT LEAST AS GREAT AS THE TRANSVERSE DIMENSION OF SAID HEAD AS MEASURED IN THE SAME PLANE, EACH OF SAID LEG POR-
Claim 2
Dependent Claim
193 words
A ROTARY FASTENER FORMED OF SHEET METAL AND ADAPTED FOR ASSEMBLY WITH AN APERTURED SUPPORT PANEL COMPRISING, AN ELONGATED HEAD OF INVERTED U-SHAPED CONFIGURATION IN END ELEVATION, WITH THE OPEN END OF THE U ADAPTED TO FACE THE SUPPORT PANEL, A RESILIENT CAM-LIKE ELEMENT BENT INWARDLY ON THE UNDERSIDE AND EXTENDING FROM EACH END SURFACE OF THE INVERTED U-SHAPED HEAD TRANSVERSELY ACROSS THE OPEN END THEREOF, SAID ELEMENTS BEING SITUATED ON SAID HEAD ADJACENT EACH OF ITS OPPOSED ENDS AND BEING ADAPTED FOR COACTING ENGAGEMENT WITH THE CONFRONTING SURFACE OF SAID SUPPORT PANEL, A SPLIT SHANK DEPENDING DOWNWARDLY FROM SAID HEAD DEFINING A PAIR OF OPPOSITELY DISPOSED LEG PORTIONS, EACH OF SAID LEG PORTIONS BEING INTEGRAL WITH AND EXTENDING ONE FROM EACH OF THE SIDES OF THE OPEN END OF SAID U-SHAPED HEAD, SAID LEG PORTIONS BEING SPACED LATERALLY FROM ONE ANOTHER THROUGHOUT THEIR LENGTHS TO PROVIDE TRANSVERSE RESILIENCY IN SAID SHANK, SAID LEG PORTIONS HAVING CONVEX EXTERIOR SURFACES IN A GENERALLY TRANSVERSE DIRECTION, THE TRANSVERSE DIMENSION OF SAID SHANK BEING AT LEAST AS GREAT AS THE TRANSVERSE DIMENSION OF SAID HEAD AS MEASURED IN THE SAME PLANE, EACH OF SAID LEG POR-
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |