US2680282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated power hammer
Assignee: Individual
•
Filing: 1951-11-15
•
Granted: 1954-06-08
•
Expires: 1971-11-15
Abstract
No abstract record available.
Inventors
- 👤 Clyde A Each
- 👤 Stephen M West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:21
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/02; B21J7/10; B02; B02C; B02C19/00; Y; Y10; Y10S; Y10S100/00; Y10S100/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |