US2421474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic nailing hammer
Assignee: —
•
Filing: —
•
Granted: 1947-06-03
•
Expires: 1964-06-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
B; B27; B27F; B27F7/00; B27F7/17; B27F7/19; B27F7/21; B27F7/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US367282A
Cited
US626755A
Cited
US675926A
Cited
US1246070A
Cited
US1363357A
Cited
US1484150A
Cited
US1562547A
Cited
US2036988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-02 | 1950-12-02 | 1951-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-02 | 1954-12-02 | 1955-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-02 | 1958-12-02 | 1959-06-03 | $7700.00 | Window Closed / Lapsed |