Patent US981899A successfully refreshed from Google Patents.
US981899A
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US
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Pneumatic hammer.
Assignee: Ingersoll Rand Co
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Filing: 1908-05-08
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Granted: 1911-01-17
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Expires: 1928-05-08
Abstract
No abstract record available.
Inventors
- 👤 Albert H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:50
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/08; B25D17/084; B25D2250/00; B25D2250/105; B25D2250/301; B25D2250/351; B25D2250/371; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T279/17923; Y10T292/00; Y10T292/85; Y10T292/858; Y10T292/861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1914-01-16 | 1914-07-18 | 1915-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-01-16 | 1918-07-18 | 1919-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-01-16 | 1922-07-18 | 1923-01-17 | $7700.00 | Window Closed / Lapsed |