Patent US3303295A successfully refreshed from Google Patents.
US3303295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pushbutton selector switches
Assignee: Cutler Hammer Inc
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Filing: 1965-08-11
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Granted: 1967-02-07
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Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Charles C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:52
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/68; H01H13/70; H01H13/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A SELECTOR OPERATING MECHANISM FOR SWITCHES, IN COMBINATION, A PAIR OF LIKE, OVERCENTER SPRING TOGGLE MECHANISMS EACH HAVING A PUSHBUTTON DEPRESSIBLE FROM AN EXTENDED POSITION TO CAUSE OPERATION OF ITS TOGGLE MECHANISM FROM A FIRST TO A SECOND STABLE POSITION AND EACH HAVING A SWITCH OPERATING LEVER CONNECTED TO SAID TOGGLE MECHANISM FOR PIVOTAL MOVEMENT FROM A SWITCH RELEASED TO SWITCH OPERATING MAINTAINED POSITION, SAID SWITCH OPERATING LEVERS HAVING AND BEING MOUNTED ON A COMMON PIVOT PIN FOR PIVOTAL MOVEMENTS IN MUTUALLY OPPOSED DIRECTIONS AND HAVING OPPOSED COMPLEMENTALLY FORMED PORTIONS SO THAT WHEN EITHER LEVER IS PIVOTED TO ITS SWITCH OPERATING POSITION IT WILL NOT ENGAGE THE OTHER LEVER IF THE LATTER IS IN ITS SWITCH RELEASE POSITION BUT WILL ENGAGE SAID OTHER LEVER IF THE LATTER IS IN ITS SWITCH OPERATING POSITION AND PIVOT IT TO ITS SWITCH RELEASE POSITION AND EFFECT CONSEQUENT RETURN OF THE TOGGLE MECHANISM AND PUSHBUTTON OPERATIVELY CONNECTED TO SAID OTHER LEVER TO THEIR RESPECTIVE FIRST STABLE AND EXTENDED POSITIONS.
Claim 2
Dependent Claim
166 words
IN A SELECTOR OPERATING MECHANISM FOR SWITCHES, IN COMBINATION, A PAIR OF LIKE, OVERCENTER SPRING TOGGLE MECHANISMS EACH HAVING A PUSHBUTTON DEPRESSIBLE FROM AN EXTENDED POSITION TO CAUSE OPERATION OF ITS TOGGLE MECHANISM FROM A FIRST TO A SECOND STABLE POSITION AND EACH HAVING A SWITCH OPERATING LEVER CONNECTED TO SAID TOGGLE MECHANISM FOR PIVOTAL MOVEMENT FROM A SWITCH RELEASED TO SWITCH OPERATING MAINTAINED POSITION, SAID SWITCH OPERATING LEVERS HAVING AND BEING MOUNTED ON A COMMON PIVOT PIN FOR PIVOTAL MOVEMENTS IN MUTUALLY OPPOSED DIRECTIONS AND HAVING OPPOSED COMPLEMENTALLY FORMED PORTIONS SO THAT WHEN EITHER LEVER IS PIVOTED TO ITS SWITCH OPERATING POSITION IT WILL NOT ENGAGE THE OTHER LEVER IF THE LATTER IS IN ITS SWITCH RELEASE POSITION BUT WILL ENGAGE SAID OTHER LEVER IF THE LATTER IS IN ITS SWITCH OPERATING POSITION AND PIVOT IT TO ITS SWITCH RELEASE POSITION AND EFFECT CONSEQUENT RETURN OF THE TOGGLE MECHANISM AND PUSHBUTTON OPERATIVELY CONNECTED TO SAID OTHER LEVER TO THEIR RESPECTIVE FIRST STABLE AND EXTENDED POSITIONS.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |