US3251240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical bistable device
Assignee: Unisys Corp
•
Filing: 1963-10-16
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Granted: 1966-05-17
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Harold M Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:44
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/50; H01H13/56; H01H13/60; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
A MECHANICAL BISTABLE DEVICE ACTUATED BY SUCCESSSIVE OPERATIONS OF A DRIVING MEMBER COMPRISING OSCILLATORY MEANS AND LONGITUDINALLY RECIPROCATORY MEANS, SAID MEANS BEING DRIVEN ALTERNATELY BY SAID DRIVING MEMBER FROM A BIASED POSITION TO A DRIVEN POSITION AND SAID MEANS BEING MUTUALLY INTELATCHING AND RELEASING, THE MEANS IN THE BIASED POSITION RESPECTIVELY LATCHING THE OTHER IN THE DRIVEN POSITION, AND THE MEANS IN THE DRIVEN POSITION RESPECTIVELY RELEASING THE OTHER FROM LATCHING POSITION.
References Cited (Backward Citations)
US2565873A
Cited
US2935894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |