US3289522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washer assembly with fastener
Assignee: Star Expansion Industries Corp
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Filing: 1964-11-30
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Granted: 1966-12-06
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Bell Lewis Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:35
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/18; F; F16; F16B; F16B19/00; F16B19/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN COMBINATION WITH A FASTENER HAVING A GIVEN HARDNESS ADAPTED TO BE DRIVEN FROM THE BARREL OF A DRIVING TOOL AND HAVING A TAPERED FORWARD END, A SHANK PORTION REARWARDLY THEREOF, AND A HEAD PORTION, A HOLDER OF CONSIDERABLY LESS HARDNESS THAN SAID FASTENER ASSEMBLED TO THE FORWARD END OF THE FASTENER, SAID HOLDER COMPRISING A GENERALLY TUBULAR PORTION HAVING A SUBSTANTIALLY CENTRAL BORE THEREIN EXTENDING AT LEAST HALF THE AXIAL LENGTH OF SAID HOLDER, SAID BORE BEING SO SHAPED SO TO BE RETAINED ON AT LEAST THE TAPERED PORTION OF SAID FASTENER IN SUBSTANTIAL AXIAL ALIGNMENT THEREWITH AND IN WHICH AT LEAST THE TAPERED END OF THE FASTENER IS RECEIVED, AND MEANS ON SAID HOLDER ADJACENT THE TAPERED END OF SAID FASTENER MOUNTING A WASHER THEREON IN ASSEMBLED RELATION THERETO, SAID WASHER BEING RIGID IN A RADIAL DIRECTION RELATIVE TO THE HOLDER AND HAVING A SUBSTANTIALLY CENTRALLY LOCATED APERTURE THEREIN OF A SIZE TO BE RETAINED ON SAID SHANK PORTION BY SAID HEAD PORTION WHEN SAID FASTENER IS DRIVEN INTO A WORKPIECE.
Claim 2
Dependent Claim
173 words
IN COMBINATION WITH A FASTENER HAVING A GIVEN HARDNESS ADAPTED TO BE DRIVEN FROM THE BARREL OF A DRIVING TOOL AND HAVING A TAPERED FORWARD END, A SHANK PORTION REARWARDLY THEREOF, AND A HEAD PORTION, A HOLDER OF CONSIDERABLY LESS HARDNESS THAN SAID FASTENER ASSEMBLED TO THE FORWARD END OF THE FASTENER, SAID HOLDER COMPRISING A GENERALLY TUBULAR PORTION HAVING A SUBSTANTIALLY CENTRAL BORE THEREIN EXTENDING AT LEAST HALF THE AXIAL LENGTH OF SAID HOLDER, SAID BORE BEING SO SHAPED SO TO BE RETAINED ON AT LEAST THE TAPERED PORTION OF SAID FASTENER IN SUBSTANTIAL AXIAL ALIGNMENT THEREWITH AND IN WHICH AT LEAST THE TAPERED END OF THE FASTENER IS RECEIVED, AND MEANS ON SAID HOLDER ADJACENT THE TAPERED END OF SAID FASTENER MOUNTING A WASHER THEREON IN ASSEMBLED RELATION THERETO, SAID WASHER BEING RIGID IN A RADIAL DIRECTION RELATIVE TO THE HOLDER AND HAVING A SUBSTANTIALLY CENTRALLY LOCATED APERTURE THEREIN OF A SIZE TO BE RETAINED ON SAID SHANK PORTION BY SAID HEAD PORTION WHEN SAID FASTENER IS DRIVEN INTO A WORKPIECE.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |