US2811102A
Expired / Lapsed
US
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Assignee: Unisys Corp
•
Filing: 1954-03-18
•
Granted: 1957-10-29
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Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 George C Devol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:29
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/08; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G06K3/00; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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US2692551A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |