US2857778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic wear-compensating back lash take-up device
Assignee: Individual
•
Filing: 1954-02-15
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Granted: 1958-10-28
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Michael P Rokos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:59
CPC Classifications
G; G05; G05G; G05G23/00; B; B23; B23Q; B23Q5/00; B23Q5/54; B23Q5/56; F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2003; F16H25/2006; F16H2025/2012; G05G2700/00; G05G2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19898; Y10T74/19902
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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |