US1148975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mining-machine.
Assignee: Individual
•
Filing: 1909-03-17
•
Granted: 1915-08-03
•
Expires: 1929-03-17
Abstract
No abstract record available.
Inventors
- 👤 Walter W Macfarren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:05
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/02; B23D45/021; B23D45/024
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) | 1918-08-02 | 1919-02-01 | 1919-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-02 | 1923-02-01 | 1923-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-02 | 1927-02-01 | 1927-08-03 | $7700.00 | Window Closed / Lapsed |