US2957962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch actuated switch
Assignee: Unisys Corp
•
Filing: 1957-08-12
•
Granted: 1960-10-25
•
Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hanstein Walter
- 👤 Richard H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:22
CPC Classifications
H; H01; H01H; H01H63/00; H01H63/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1126221A
Cited
US1409879A
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US1472411A
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US1575010A
Cited
US1476766A
Cited
US2265133A
Cited
US2804778A
Cited
US2689674A
Cited
DE938794C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |