Patent US2525977A successfully refreshed from Google Patents.
US2525977A
Expired / Lapsed
US
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Fastening device
Assignee: Tinnerman Products Inc
•
Filing: 1948-01-22
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Granted: 1950-10-17
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Expires: 1968-01-22
Abstract
No abstract record available.
Inventors
- 👤 George A Tinnerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:58
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F21; F21V; F21V17/00; F21V17/10; F21V17/16; F21V5/00; F21V5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1760261A
Cited
US1685575A
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US2247975A
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US2251723A
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US2327327A
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US2435908A
Cited
US2388650A
Cited
US2428631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |