US2792861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw driver
Assignee: Individual
•
Filing: 1952-09-02
•
Granted: 1957-05-21
•
Expires: 1972-09-02
Abstract
No abstract record available.
Inventors
- 👤 Clarence P Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:02
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/001; B25B15/004; B25B15/007; F; F16; F16B; F16B23/00; F16B23/0007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US64089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |