US2657586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving and supporting device for rotatable members
Assignee: Individual
•
Filing: 1952-04-03
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Granted: 1953-11-03
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Expires: 1972-04-03
Abstract
No abstract record available.
Inventors
- 👤 Chestley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:51
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/26; B; B28; B28C; B28C5/00; B28C5/08; B28C5/0806; B28C5/0831; B28C5/0843; F16; F16C; F16C13/00; F16C13/02; F16C13/04; F16H; F16H57/00; F16H57/02; F16H57/02004; F27B2007/261; F27B2007/262; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19647; Y10T74/19949; Y10T74/19963
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |