US2774246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent drive mechanism
Assignee: Unisys Corp
•
Filing: 1952-04-05
•
Granted: 1956-12-18
•
Expires: 1972-04-05
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Happe
- 👤 Edwin B Nolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:59
CPC Classifications
A; A01; A01D; A01D82/00; Y; Y10; Y10S; Y10S56/00; Y10S56/06; Y10T; Y10T74/00; Y10T74/15; Y10T74/18; Y10T74/18528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US846690A
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US1804143A
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US2621778A
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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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |