US2235192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque controlled drive
Assignee: DETROIT POWER SEREWDRIVER Co
•
Filing: 1940-07-31
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Granted: 1941-03-18
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Expires: 1960-07-31
Abstract
No abstract record available.
Inventors
- 👤 Roy W Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:45
CPC Classifications
B; B25; B25B; B25B21/00; F; F16; F16H; F16H61/00; F16H61/02; F16H61/0293; F16H2718/00; F16H2718/18; F16H2718/20; F16H2718/22; Y; Y10; Y10T; Y10T408/00; Y10T408/70; Y10T408/72
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) | 1944-03-17 | 1944-09-16 | 1945-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-17 | 1948-09-16 | 1949-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-17 | 1952-09-16 | 1953-03-18 | $7700.00 | Window Closed / Lapsed |