US3267237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic switch of the remote resetting type
Assignee: Littelfuse Inc
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Filing: 1964-06-18
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Granted: 1966-08-16
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 John R Gelzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:46
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H1/00; H01H1/50; H01H1/504; H01H69/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A THERMOSTATIC SWITCH ASSEMBLY COMPRISING: AN INSULATING BASE, SPACED TERMINALS SECURED TO SAID BASE FOR CONNECTING THE SWITCH IN AN ELECTRICAL CIRCUIT, SAID TERMINALS EACH HAVING AN OPEN-ENDED CLIP PHYSICALLY AND ELECTRICALLY CONNECTED THERETO, A STATIONARY CONTACT CARRIED BY ONE OF SAID TERMINALS, AN ELECTRICALLY CONDUCTIVE HEAT RESPONSIVE BIMETALLIC MEMBER CARRIED BY THE OTHER OF SAID TERMINALS AND HAVING A CONTACT THEREON NORMALLY ENGAGING SAID STATIONARY CONTACT, AND A HEATING ELEMENT RELEASABLY HELD IN THE CLIPS OF SAID TERMINALS AND SPACED FROM SAID BIMETALLIC MEMBER, SAID HEATING ELEMENT ACTING ELECTRO-THERMALLY TO MAINTAIN SAID CONTACTS IN AN OPEN POSITION WHEN AN OVERLOAD CONDITION OCCURS IN SAID ELECTRICAL CIRCUIT.
Claim 2
Dependent Claim
107 words
A THERMOSTATIC SWITCH ASSEMBLY COMPRISING: AN INSULATING BASE, SPACED TERMINALS SECURED TO SAID BASE FOR CONNECTING THE SWITCH IN AN ELECTRICAL CIRCUIT, SAID TERMINALS EACH HAVING AN OPEN-ENDED CLIP PHYSICALLY AND ELECTRICALLY CONNECTED THERETO, A STATIONARY CONTACT CARRIED BY ONE OF SAID TERMINALS, AN ELECTRICALLY CONDUCTIVE HEAT RESPONSIVE BIMETALLIC MEMBER CARRIED BY THE OTHER OF SAID TERMINALS AND HAVING A CONTACT THEREON NORMALLY ENGAGING SAID STATIONARY CONTACT, AND A HEATING ELEMENT RELEASABLY HELD IN THE CLIPS OF SAID TERMINALS AND SPACED FROM SAID BIMETALLIC MEMBER, SAID HEATING ELEMENT ACTING ELECTRO-THERMALLY TO MAINTAIN SAID CONTACTS IN AN OPEN POSITION WHEN AN OVERLOAD CONDITION OCCURS IN SAID ELECTRICAL CIRCUIT.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |