US2471793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener feeding and securing apparatus
Assignee: Individual
•
Filing: 1945-05-07
•
Granted: 1949-05-31
•
Expires: 1965-05-07
Abstract
No abstract record available.
Inventors
- 👤 John S Stull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:22
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/04; B23; B23P; B23P19/00; B23P19/001; B23P19/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US434215A
Cited
US950534A
Cited
US1441033A
Cited
US1813697A
Cited
US1921485A
Cited
US2263858A
Cited
GB550125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |