US2391553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bit control for percussive tools
Assignee: Black and Decker Corp
•
Filing: 1943-02-18
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Granted: 1945-12-25
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Expires: 1963-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Alonzo G Decker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:56
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/04; B25D17/046; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16B7/00; F16B7/04; F16B7/044; Y; Y10; Y10T; Y10T403/00; Y10T403/36; Y10T403/364; Y10T403/366; Y10T403/45; Y10T403/451
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-12-24 | 1949-06-25 | 1949-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-24 | 1953-06-25 | 1953-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-24 | 1957-06-25 | 1957-12-25 | $7700.00 | Window Closed / Lapsed |