US1679884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for drills
Assignee: Individual
•
Filing: 1926-10-22
•
Granted: 1928-08-07
•
Expires: 1946-10-22
Abstract
No abstract record available.
Inventors
- 👤 Horace T Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:57
CPC Classifications
F; F16; F16H; F16H23/00; B; B23; B23D; B23D49/00; B23D49/10; B23D49/16; B23D49/162; B23D51/00; B23D51/16; B23D57/00; B23D57/0076; Y; Y10; Y10T; Y10T29/00; Y10T29/44; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18336; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/19684; Y10T74/21; Y10T74/2101
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) | 1931-08-07 | 1932-02-06 | 1932-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-08-07 | 1936-02-06 | 1936-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-08-07 | 1940-02-06 | 1940-08-07 | $7700.00 | Window Closed / Lapsed |