US2782823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic screw driver
Assignee: APEX MACHINE AND TOOL Co
•
Filing: 1954-04-12
•
Granted: 1957-02-26
•
Expires: 1974-04-12
Abstract
No abstract record available.
Inventors
- 👤 Jr De Alt E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:01
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/12; Y; Y10; Y10S; Y10S81/00; Y10S81/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1769067A
Cited
US2276470A
Cited
US2260055A
Cited
US2522217A
Cited
US2475936A
Cited
US2550775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |