US3227842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-actuated circuit breaker
Assignee: GTE Sylvania Inc
•
Filing: 1961-11-03
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Granted: 1966-01-04
•
Expires: 1981-11-03
Abstract
No abstract record available.
Inventors
- 👤 Edward G Salem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:52
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/64; H01H37/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A TEMPERATURE-ACTUATED CIRCUIT BREAKER COMPRISING A HERMETICALLY SEALED ENVELOPE, A WIRE SEALED THERETHROUGH AND ELECTRICALLY CONNECTED TO A FIXED CONTACT, ANOTHER WIRE SEALED THERETHROUGH AND ELECTRICALLY CONNECTED TO A BIMETAL STRIP, A U-SHAPED BIMETAL STRIP MECHANICALLY CONNECTED TO SAID FIRST-MENTIONED BIMETAL STRIP AT ONE END OF THE U-SHAPED STRIP, THE OTHER END OF SAID U-SHAPED STRIP BEING NORMALLY FREE TO MOVE TOWARD THE INSIDE WALL OF SAID ENVELOPE TO MEET THE SAME, AND A CONTACT MOVABLE WITH SAID FIRST-MENTIONED BIMETAL STRIP AND NORMALLY CLOSED TO SAID FIXED CONTACT.
Claim 2
Dependent Claim
88 words
A TEMPERATURE-ACTUATED CIRCUIT BREAKER COMPRISING A HERMETICALLY SEALED ENVELOPE, A WIRE SEALED THERETHROUGH AND ELECTRICALLY CONNECTED TO A FIXED CONTACT, ANOTHER WIRE SEALED THERETHROUGH AND ELECTRICALLY CONNECTED TO A BIMETAL STRIP, A U-SHAPED BIMETAL STRIP MECHANICALLY CONNECTED TO SAID FIRST-MENTIONED BIMETAL STRIP AT ONE END OF THE U-SHAPED STRIP, THE OTHER END OF SAID U-SHAPED STRIP BEING NORMALLY FREE TO MOVE TOWARD THE INSIDE WALL OF SAID ENVELOPE TO MEET THE SAME, AND A CONTACT MOVABLE WITH SAID FIRST-MENTIONED BIMETAL STRIP AND NORMALLY CLOSED TO SAID FIXED CONTACT.
References Cited (Backward Citations)
US2530059A
Cited
US1851657A
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US2769876A
Cited
US2742547A
Cited
US2785278A
Cited
US2820870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |