Patent US3345476A successfully refreshed from Google Patents.
US3345476A
Expired / Lapsed
US
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Fool-proof snap action reset switch
Assignee: Penn Controls Inc
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Filing: 1965-04-21
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Granted: 1967-10-03
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Grover M Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:24
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/26; H01H13/36; H01H13/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
IN COMBINATION, A SNAP-ACTION TYPE ELECTRICAL SWITCH HAVING A PAIR OF SPACED APART STATIONARY CONTACTS, A COOPERATING MOVABLE CONTACT SELECTIVELY ACTUATABLE INTO SWITCHING ENGAGEMENT WITH SAID STATIONARY CONTACTS, AND MEANS OPERATIVE FOR CAUSING SNAP-ACTION ACTUATION OF SAID MOVABLE CONTACT INTO LATCHED ENGAGEMENT WITH THE SELECTED ONE OF SAID STATIONARY CONTACTS; FIRST ACTUATOR MEANS OPERABLE FROM AN UNACTUATED CONDITION TO AN ACTUATED CONDITION FOR INITIATING OPERATION OF SAID SNAP-ACTION MEANS FOR LATCHED ENGAGEMENT OF SAID MOVABLE CONTACT WITH ONE OF SAID STATIONARY CONTACTS WHILE PREVENTING SAID LATCHED ENGAGEMENT UNTIL SAID FIRST ACTUATOR MEANS IS RELEASED FOR RETURN TO ITS SAID UNACTUATED CONDITION, AND SECOND ACTUATOR MEANS OPERATIVE FROM AN UNACTUATED CONDITION TO AN ACTUATED CONDITION FOR INITIATING OPERATION OF SAID SNAP-ACTION MEANS CAUSING SNAP-ACTUATION OF SAID MOVABLE CONTACT INTO LATCHED ENGAGEMENT WITH THE OTHER OF SAID STATIONARY CONTACTS.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |