Patent US3251232A successfully refreshed from Google Patents.
US3251232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toggle mechanism for circuit breakers
Assignee: Airpax Electronics Inc
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Filing: 1964-06-25
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Granted: 1966-05-17
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Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 George S Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:07
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/52; H01H71/528; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A TOGGLE MECHANISM COMPRISING A FIRST LEVER PIVOTALLY AND SLIDABLY MOUNTED ON A FRAME, A SECOND LEVER PIVOTALLY MOUNTED ON THE FRAME, A PAIR OF LEVERS PIVOTALLY CONNECTED TO EACH OTHER AND TO SAID FIRST AND SECOND LEVERS RESPECTIVELY, MEANS FOR LOCKING SAID PAIR OF LEVERS AGAINST PIVOTAL MOVEMENT WITH RESPECT TO EACH OTHER, AND MEANS FOR UNLOCKING SAID LOCKING MEANS TO PERMIT PIVOTAL MOVEMENT OF SAID PAIR OF LEVERS WITH RESPECT TO EACH OTHER, SAID LOCKING MEANS COMPRISING A FORKED LEVER PIVOTALLY CARRIED BY ONE OF SAID PAIR OF LEVERS, A PIN RECEIVED IN THE FORK CARRIED BY THE OTHER OF SAID PAIR OF LEVERS, AND MEANS HOLDING THE FORKED LEVER AGAINST PIVOTAL MOVEMENT.
Claim 2
Dependent Claim
115 words
A TOGGLE MECHANISM COMPRISING A FIRST LEVER PIVOTALLY AND SLIDABLY MOUNTED ON A FRAME, A SECOND LEVER PIVOTALLY MOUNTED ON THE FRAME, A PAIR OF LEVERS PIVOTALLY CONNECTED TO EACH OTHER AND TO SAID FIRST AND SECOND LEVERS RESPECTIVELY, MEANS FOR LOCKING SAID PAIR OF LEVERS AGAINST PIVOTAL MOVEMENT WITH RESPECT TO EACH OTHER, AND MEANS FOR UNLOCKING SAID LOCKING MEANS TO PERMIT PIVOTAL MOVEMENT OF SAID PAIR OF LEVERS WITH RESPECT TO EACH OTHER, SAID LOCKING MEANS COMPRISING A FORKED LEVER PIVOTALLY CARRIED BY ONE OF SAID PAIR OF LEVERS, A PIN RECEIVED IN THE FORK CARRIED BY THE OTHER OF SAID PAIR OF LEVERS, AND MEANS HOLDING THE FORKED LEVER AGAINST PIVOTAL MOVEMENT.
References Cited (Backward Citations)
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 |