US2725770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fastener tool driving attachment for portable power tools
Assignee: Black and Decker Corp
•
Filing: 1953-11-10
•
Granted: 1955-12-06
•
Expires: 1973-11-10
Abstract
No abstract record available.
Inventors
- 👤 Harold O Short
- 👤 Glenn C Wilhide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:03
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/141; F; F16; F16D; F16D7/00; F16D7/04; F16D7/042; F16D7/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1913046A
Cited
FR684753A
Cited
US1864844A
Cited
US1855456A
Cited
US2179724A
Cited
US2394348A
Cited
US2600327A
Cited
US2634640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |