US3176098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally sensitive snap action switch
Assignee: Individual
•
Filing: 1960-04-01
•
Granted: 1965-03-30
•
Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 James P Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:58
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/60; H01H77/00; H01H77/02; H01H77/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
SWITCH MECHANISM COMPRISING A PAIR OF CONTACT MEANS MOUNTED FOR ENGAGEMENT AND DISENGAGEMENT TO MAKE AND BREAK AN ELECTRIC CIRCUIT, AT LEAST ONE OF SAID CONTACT MEANS COMPRISING A PLURALITY OF CONTACTS, EACH BEING BIASED INTO RESILIENT PRESSURE CONTACT WITH THE OTHER CONTACT MEANS, AND THERMALLY SENSITIVE MEANS FOR INDIVIDUALLY MOVING SAID CONTACTS AWAY FROM SAID OTHER CONTACT MEANS IN RESPONSE TO TEMPERATURE GENERATED BY CURRENT FLOWING THROUGH EACH OF SAID PLURALITY OF CONTACTS TO INDIVIDUALLY REGUALTE SAID RESILIENT CONTACT PRESSURE BETWEEN SAID PLURALITY OF CONTACTS AND SAID OTHER CONTACT MEANS, THEREBY TO TEND TO EQUALIZE FLOW OF CURRENT THROUGH THE SEVERAL SAID CONTACTS.
Claim 2
Dependent Claim
104 words
SWITCH MECHANISM COMPRISING A PAIR OF CONTACT MEANS MOUNTED FOR ENGAGEMENT AND DISENGAGEMENT TO MAKE AND BREAK AN ELECTRIC CIRCUIT, AT LEAST ONE OF SAID CONTACT MEANS COMPRISING A PLURALITY OF CONTACTS, EACH BEING BIASED INTO RESILIENT PRESSURE CONTACT WITH THE OTHER CONTACT MEANS, AND THERMALLY SENSITIVE MEANS FOR INDIVIDUALLY MOVING SAID CONTACTS AWAY FROM SAID OTHER CONTACT MEANS IN RESPONSE TO TEMPERATURE GENERATED BY CURRENT FLOWING THROUGH EACH OF SAID PLURALITY OF CONTACTS TO INDIVIDUALLY REGUALTE SAID RESILIENT CONTACT PRESSURE BETWEEN SAID PLURALITY OF CONTACTS AND SAID OTHER CONTACT MEANS, THEREBY TO TEND TO EQUALIZE FLOW OF CURRENT THROUGH THE SEVERAL SAID 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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |