US2900959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic percussion tools
Assignee: Atlas Copco AB
•
Filing: 1957-06-04
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Granted: 1959-08-25
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Expires: 1977-06-04
Abstract
No abstract record available.
Inventors
- 👤 Ekstrom Gosta Ivar
- 👤 Lowenborg John Gosta Fredrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:47
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1866819A
Cited
US1881258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |