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US2951706A
Expired / Lapsed
US
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Percussively operated tool
Assignee: Ingersoll Rand Co
•
Filing: 1958-12-04
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Granted: 1960-09-06
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Expires: 1978-12-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert C Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/08; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T279/17085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US806510A
Cited
US2767988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |