US2416873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cowling fastener
Assignee: Individual
•
Filing: 1944-06-24
•
Granted: 1947-03-04
•
Expires: 1964-06-24
Abstract
No abstract record available.
Inventors
- 👤 Alex M Gorfin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:52
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10; F16B21/00; F16B21/06; F16B21/07; F16B21/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2152231A
Cited
US2200702A
Cited
US2230916A
Cited
US2252286A
Cited
GB542028A
Cited
US2329909A
Cited
US2322614A
Cited
US2327331A
Cited
US2378638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |