Patent US5315875A successfully refreshed from Google Patents.
Patent US3205760A successfully refreshed from Google Patents.
US3205760A
Expired / Lapsed
US
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Assignee: United Carr Inc
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Filing: 1965-01-08
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Granted: 1965-09-14
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Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Clifford Alexander Seckerson
- 👤 Paul Carl Roger Fernberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:58
CPC Classifications
B; B60; B60R; B60R13/00; B60R13/005; F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A RESILIENT, SYNTHETIC PLASTIC TUBULAR SLEEVE FOR FASTENING, IN COOPERATION WITH A PIN, AN ARTICLE TO AN APERTURED SUPPORT, SAID SLEEVE INCLUDING AN ENLARGED HEAD AND A CYLINDRICAL SHANK DEPENDING FROM SAID HEAD, SAID HEAD AND SHANK BEING FORMED WITH AN AXIAL THROUGH BORE, DEFINING AN INTERNAL WALL, SAID INTERNAL WALL IN SAID HEAD DEFINING A CIRCLE, SAID INTERNAL WALL IN SAID SHANK PROVIDING FOUR FLAT AXIALLY EXTENDING SURFACES, AND DEFINING GEOMETRIC SQUARE IN HORIZONTAL CROSS SECTION, THE LENGTH OF THE DIAGONAL OF SAID SQUARE BEING SUBSTANTIALLY EQUAL TO THE DIAMETER OF THE BORE IN SAID HEAD, SAID INTERNAL WALL IN THE SHANK END REMOTE FROM SAID HEAD BEING CIRCULAR AND HAVING A DIAMETER SUBSTANTIALLY EQUAL TO THE SHORTEST DISTANCE BETWEEN THE SIDES OF SAID SQUARE, SAID FLAT SURFACE AND SAID CIRCULAR SURFACES BEING JOINED BY INCLINED SURFACES AND SEAID SLEEVE HAVING A CIRCULAR GROOVE FORMED ON THE EXTERNAL SURFACE THEREOF ADJACENT TO SAID HEAD, SAID EXTERNAL SURFACE DEFINING A CIRCULAR FIGURE IN CROSS SECTION AND THE WALL OF SAID APERTURE IN SAID SUPPORT BEING ENGAGEABLE IN THE GROOVE FORMED IN SAID TUBULAR SLEEVE WITH SAID SLEEVE EXTENDING BEYOND THE AREA DEFINED BY SAID APERTURE IN SAID SUPPORT.
Claim 2
Dependent Claim
198 words
A RESILIENT, SYNTHETIC PLASTIC TUBULAR SLEEVE FOR FASTENING, IN COOPERATION WITH A PIN, AN ARTICLE TO AN APERTURED SUPPORT, SAID SLEEVE INCLUDING AN ENLARGED HEAD AND A CYLINDRICAL SHANK DEPENDING FROM SAID HEAD, SAID HEAD AND SHANK BEING FORMED WITH AN AXIAL THROUGH BORE, DEFINING AN INTERNAL WALL, SAID INTERNAL WALL IN SAID HEAD DEFINING A CIRCLE, SAID INTERNAL WALL IN SAID SHANK PROVIDING FOUR FLAT AXIALLY EXTENDING SURFACES, AND DEFINING GEOMETRIC SQUARE IN HORIZONTAL CROSS SECTION, THE LENGTH OF THE DIAGONAL OF SAID SQUARE BEING SUBSTANTIALLY EQUAL TO THE DIAMETER OF THE BORE IN SAID HEAD, SAID INTERNAL WALL IN THE SHANK END REMOTE FROM SAID HEAD BEING CIRCULAR AND HAVING A DIAMETER SUBSTANTIALLY EQUAL TO THE SHORTEST DISTANCE BETWEEN THE SIDES OF SAID SQUARE, SAID FLAT SURFACE AND SAID CIRCULAR SURFACES BEING JOINED BY INCLINED SURFACES AND SEAID SLEEVE HAVING A CIRCULAR GROOVE FORMED ON THE EXTERNAL SURFACE THEREOF ADJACENT TO SAID HEAD, SAID EXTERNAL SURFACE DEFINING A CIRCULAR FIGURE IN CROSS SECTION AND THE WALL OF SAID APERTURE IN SAID SUPPORT BEING ENGAGEABLE IN THE GROOVE FORMED IN SAID TUBULAR SLEEVE WITH SAID SLEEVE EXTENDING BEYOND THE AREA DEFINED BY SAID APERTURE IN SAID SUPPORT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |