US2800804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic torque multiplier
Assignee: Individual
•
Filing: 1954-03-24
•
Granted: 1957-07-30
•
Expires: 1974-03-24
Abstract
No abstract record available.
Inventors
- 👤 Morris J Olschwang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:40
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/24; B25B1/2489; B25B1/06; B25B1/10; B25B1/103; B25B1/106; B25B5/00; B25B5/06; B25B5/10; B25B5/101; F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18672
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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |