US2518429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussive tool appliance
Assignee: Individual
•
Filing: 1946-09-27
•
Granted: 1950-08-08
•
Expires: 1966-09-27
Abstract
No abstract record available.
Inventors
- 👤 Walter H Moorhead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:16
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/005; B25D11/00; B25D11/06; B25D11/10; B25D11/102; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE267695C
Cited
US1041569A
Cited
US1163712A
Cited
US1215439A
Cited
US1588832A
Cited
US1866529A
Cited
US2270929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |