US2899933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic impact tool
Assignee: —
•
Filing: —
•
Granted: 1959-08-18
•
Expires: 1976-08-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:28
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US562518A
Cited
US2732554A
Cited
US1014639A
Cited
US1102271A
Cited
US1703458A
Cited
US2187692A
Cited
US2257267A
Cited
US2498503A
Cited
US2535588A
Cited
US2543942A
Cited
US2671214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |