US2826933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self re-setting control mechanism
Assignee: Unisys Corp
•
Filing: 1955-03-28
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Granted: 1958-03-18
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Walter B Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:33
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/12; G05G5/14; G05G5/18; B; B60; B60C; B60C9/00; B60C9/02; B60C9/04; B60C9/06; B60C9/18; B60C9/20; B60C9/2003; B60C9/2006; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765; Y10T152/10801; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |