US1245274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well-drilling machine.
Assignee: Individual
•
Filing: 1917-05-15
•
Granted: 1917-11-06
•
Expires: 1937-05-15
Abstract
No abstract record available.
Inventors
- 👤 William K Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:16
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/10; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0046; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679
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) | 1920-11-05 | 1921-05-07 | 1921-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-11-05 | 1925-05-07 | 1925-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-11-05 | 1929-05-07 | 1929-11-06 | $7700.00 | Window Closed / Lapsed |