US2824351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener structure
Assignee: Individual
•
Filing: 1953-09-02
•
Granted: 1958-02-25
•
Expires: 1973-09-02
Abstract
No abstract record available.
Inventors
- 👤 Paul St E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:41
CPC Classifications
A; A43; A43C; A43C11/00; A43C11/18; A43C11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US156218A
Cited
US627441A
Cited
US677539A
Cited
US705356A
Cited
US753776A
Cited
US789474A
Cited
US1083573A
Cited
US1600851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |