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US2631624A
Expired / Lapsed
US
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Screw driver
Assignee: Individual
•
Filing: 1950-02-25
•
Granted: 1953-03-17
•
Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Roland H Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:50
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/001; B25B15/004; F; F16; F16B; F16B23/00; F16B23/0007; F16B23/0015; Y; Y10; Y10S; Y10S411/00; Y10S411/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US386092A
Cited
CH85913A
Cited
US1479506A
Cited
US1741349A
Cited
US1899489A
Cited
US2142185A
Cited
US2248695A
Cited
US2362999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |