US2410971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw driver
Assignee: Parker Appliance Co
•
Filing: 1943-12-10
•
Granted: 1946-11-12
•
Expires: 1963-12-10
Abstract
No abstract record available.
Inventors
- 👤 Emmett C Hartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786
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) | 1949-11-11 | 1950-05-13 | 1950-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-11 | 1954-05-13 | 1954-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-11 | 1958-05-13 | 1958-11-12 | $7700.00 | Window Closed / Lapsed |