US3137858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring-shank-fastener
Assignee: SPENAX Corp A CORP OF INDIANA
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Filing: 1963-06-04
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Granted: 1964-06-23
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Richard E Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:29
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A STICK OF RING-SHANK-FASTENERS FOR USE IN A DRIVING TOOL THAT SEVERS A SINGLE FASTENER FROM SAID STICK AND DRIVES IT, AND INCLUDING, A PLURALITY OF SAID FASTENERS ARRANGED IN SIDE BY SIDE ABUTTING RELATION AND EACH COMPRISING AN ELONGATE CYLINDRICAL SHANK, AND A MULTIPLICITY OF LONGITUDINALLY SPACED, RADIALLY OUTWARD EXTENDING RINGS FORMED IN SAID SHANK, SAID RINGS HAVING FLAT OUTER SURFACES AT TWO SPACED LOCATIONS AROUND THE CIRCUMFERENCE OF SAID SHANK, AND MEANS ADHERING SAID PLURALITY OF FASTENERS TOGETHER.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |