US888506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine-driven rock-drill.
Assignee: Individual
•
Filing: 1906-11-09
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Granted: 1908-05-26
•
Expires: 1926-11-09
Abstract
No abstract record available.
Inventors
- 👤 Moses Kellow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
F; F01; F01K; F01K7/00; F01K7/10; F01D; F01D25/00; F01D25/30; Y; Y10; Y10S; Y10S415/00; Y10S415/904; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86839
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) | 1911-05-26 | 1911-11-25 | 1912-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-05-26 | 1915-11-25 | 1916-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-05-26 | 1919-11-25 | 1920-05-26 | $7700.00 | Window Closed / Lapsed |