US2658766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw driver construction
Assignee: Vaco Products Co
•
Filing: 1949-04-13
•
Granted: 1953-11-10
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Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 George L Rock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:21
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/02; B25B23/00; B25B23/0007; B25B23/0042; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17905; Y10T279/17914; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |