US2631284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nailing machine
Assignee: Individual
•
Filing: 1952-02-05
•
Granted: 1953-03-17
•
Expires: 1972-02-05
Abstract
No abstract record available.
Inventors
- 👤 Pfyffer Francesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:53
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/34; B27M3/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US461014A
Cited
US943035A
Cited
US908243A
Cited
US1026679A
Cited
US1140605A
Cited
US1250735A
Cited
US1357534A
Cited
US2008831A
Cited
US1910633A
Cited
US1837891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |