US2289855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for drilling or boring holes
Assignee: Individual
•
Filing: 1939-11-29
•
Granted: 1942-07-14
•
Expires: 1959-11-29
Abstract
No abstract record available.
Inventors
- 👤 Ralston Gavin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:02
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; Y; Y10; Y10T; Y10T408/00; Y10T408/18; Y10T408/36; Y10T408/38; Y10T408/3811; Y10T408/65; Y10T408/675; Y10T408/6757
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) | 1945-07-13 | 1946-01-12 | 1946-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-13 | 1950-01-12 | 1950-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-13 | 1954-01-12 | 1954-07-14 | $7700.00 | Window Closed / Lapsed |