Patent US674881A successfully refreshed from Google Patents.
US674881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rock-drilling machine.
Assignee: Individual
•
Filing: 1901-01-24
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Granted: 1901-05-28
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Expires: 1921-01-24
Abstract
No abstract record available.
Inventors
- 👤 Martin Shuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:15
CPC Classifications
B; B25; B25D; B25D11/00; B25D11/06; B25D11/066; B25D11/068
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) | 1904-05-27 | 1904-11-26 | 1905-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-05-27 | 1908-11-26 | 1909-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-05-27 | 1912-11-26 | 1913-05-28 | $7700.00 | Window Closed / Lapsed |