Patent US3236971A successfully refreshed from Google Patents.
US3236971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination on-off switch and circuit-breaker
Assignee: Zenith Electronics LLC
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Filing: 1963-02-28
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Granted: 1966-02-22
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Cotsworth Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:22
CPC Classifications
H; H01; H01H; H01H77/00; H01H77/02; H01H77/04; H01H25/00; H01H25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A COMBINATION SWITCH AND CIRCUIT-BREAKER ARRANGEMENT FOR THE POWER SUPPLY SYSTEM OF A TELEVISION RECEIVER, OR THE LIKE, COMPRISING: AN ON-OFF SWITCH HAVING A FIXED CONTACT AND A MOVABLE CONTACT SHIFTABLE ALONG A PREDETERMINED PATH BETWEEN AN OPEN POSITION AND A CLOSED POSITION IN WHICH IT ENGAGES SAID FIXED CONTACT TO ESTABLISH AN ELECTRICAL CONNECTION THROUGH SAID SWITCH; A CIRCUIT-BREAKER EFFECTIVELY CONNECTED IN SERIES RELATION WITH SAID SWITCH CONTACTS, SAID CIRCUIT-BREAKER COMPRISING A FIRST TERMINAL AND A BI-STABLE SECOND TERMINAL SHIFTABLE ALONG A PREDETERMINED DIFFERENT PATH BETWEEN AN OPEN POSITION IN WHICH IT IS OUT OF ENGAGEMENT WITH SAID FIRST TERMINAL AND RESET POSITION IN WHICH IT ENGAGES SAID FIRST TERMINAL AND RESPONSIVE, WHEN SO ENGAGED, TO AN ELECTRICAL CURRENT EXCEEDING A PREDETERMINED VALUE TO SHIFT FROM SAID RESET TO SAID OPEN POSITION; AND AND A BI-STABLE ACTUATOR DISPLACEABLE BETWEEN FIRST AND SECOND STABLE POSITIONS COMPRISING AN OPERATOR ENGAGEABLE WITH SAID MOVABLE SWITCH CONTACT FOR SHIFTING SAID MOVABLE CONTACT ALONG ITS SAID PREDETERMINED PATH BETWEEN ITS SAID OPEN POSITION AND ITS SAID CLOSED POSITION TO ESTABLISH SAID ELECTRICAL
Claim 2
Dependent Claim
178 words
A COMBINATION SWITCH AND CIRCUIT-BREAKER ARRANGEMENT FOR THE POWER SUPPLY SYSTEM OF A TELEVISION RECEIVER, OR THE LIKE, COMPRISING: AN ON-OFF SWITCH HAVING A FIXED CONTACT AND A MOVABLE CONTACT SHIFTABLE ALONG A PREDETERMINED PATH BETWEEN AN OPEN POSITION AND A CLOSED POSITION IN WHICH IT ENGAGES SAID FIXED CONTACT TO ESTABLISH AN ELECTRICAL CONNECTION THROUGH SAID SWITCH; A CIRCUIT-BREAKER EFFECTIVELY CONNECTED IN SERIES RELATION WITH SAID SWITCH CONTACTS, SAID CIRCUIT-BREAKER COMPRISING A FIRST TERMINAL AND A BI-STABLE SECOND TERMINAL SHIFTABLE ALONG A PREDETERMINED DIFFERENT PATH BETWEEN AN OPEN POSITION IN WHICH IT IS OUT OF ENGAGEMENT WITH SAID FIRST TERMINAL AND RESET POSITION IN WHICH IT ENGAGES SAID FIRST TERMINAL AND RESPONSIVE, WHEN SO ENGAGED, TO AN ELECTRICAL CURRENT EXCEEDING A PREDETERMINED VALUE TO SHIFT FROM SAID RESET TO SAID OPEN POSITION; AND AND A BI-STABLE ACTUATOR DISPLACEABLE BETWEEN FIRST AND SECOND STABLE POSITIONS COMPRISING AN OPERATOR ENGAGEABLE WITH SAID MOVABLE SWITCH CONTACT FOR SHIFTING SAID MOVABLE CONTACT ALONG ITS SAID PREDETERMINED PATH BETWEEN ITS SAID OPEN POSITION AND ITS SAID CLOSED POSITION TO ESTABLISH SAID ELECTRICAL
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |