US2581692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Admiral Corp
•
Filing: 1946-11-29
•
Granted: 1952-01-08
•
Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Evans T Morton
- 👤 Chester L Geever
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:17
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16B21/07; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/969
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1760262A
Cited
US1873870A
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US1850622A
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US2259186A
Cited
US2284301A
Cited
US2266893A
Cited
US2367886A
Cited
US2329752A
Cited
US2349419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |