US3201548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostat and tip-over switch
Assignee: STEVENS MANUFACTURING COMPANY Inc
•
Filing: 1961-04-03
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Granted: 1965-08-17
•
Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Charles S Mertler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:38
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411; F24H3/0417; H; H01; H01H; H01H35/00; H01H35/02; H01H37/00; H01H37/02; H01H37/32; H01H37/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
A COMBINED THERMOSTAT AND TIP-OVER SWITCH, COMPRISING IN COMBINATION, A BASE FIRST AND SECOND RESILIENT CONTACT MEMBERS HAVING ONE PORTION THEREOF CARRIED RELATIVE TO SAID BASE, FIRST AND SECOND CONTACTS CARRIED ON SAID FIRST AND SECOND CONTACT MEMBERS, RESPECTIVELY, FOR MUTUAL COOPERATION, TEMPERATURE RESPONSIVE MEANS CARRIED RELATIVE TO SAID BASE TO RELATIVELY VARY THE POSITION OF SAID FIRST AND SECOND CONTACTS, ADJUSTMENT MEANS CARRIED RELATIVE TO SAID BASE AND COOPERATING TO RELATIVELY VARY THE TEMPEATURE OF ACTUATION OF SAID CONTACTS, BETWEEN FIRST AND SECOND CONDITIONS, A WEIGHTED PENDULUM HAVING A MOUNTING END, A PIVOT AXLE MOUNTING SAID MOUNTING END RELATIVE TO ONE OF SAID CONTACT MEMBERS, CAM MEANS CONNECTED TO BE ACTUATED IN ACCORDANCE WITH MOVEMENT OF SAID PENDULUM TO DIRECTLY ACT BETWEEN SAID CONTACT MEMBERS, A CAM LOBE AND A CAM NULL ON SAID CAM MEANS, SAID PENDULUM BEING ACTED UPON BY GRAVITY TO ATTEMPT TO HANG IN A VERTICAL POSITION AND SAID THERMOSTAT NORMALLY BEING MOUNTABLE IN AN ATTITUDE WHEREIN SAID PENDULUM VERTICAL ONE OF SAID CAM NULL AND CAM LOBE COOPERATES WITH SAID CONTACTS TO ESTABLISH SAID CONTACTS IN SAID FIRST CONDITION, AND TIPPING OF SAID THERMOSTAT IN A FIRST DIRECTION ESTABLISHING THE OTHER OF SAID CAM NULL AND CAM LOBE IN COOPERATION WITH SAID CONTACTS TO ESTABLISH SAID CONTACTS IN SAID SECOND CONDITION.
Claim 2
Dependent Claim
217 words
A COMBINED THERMOSTAT AND TIP-OVER SWITCH, COMPRISING IN COMBINATION, A BASE FIRST AND SECOND RESILIENT CONTACT MEMBERS HAVING ONE PORTION THEREOF CARRIED RELATIVE TO SAID BASE, FIRST AND SECOND CONTACTS CARRIED ON SAID FIRST AND SECOND CONTACT MEMBERS, RESPECTIVELY, FOR MUTUAL COOPERATION, TEMPERATURE RESPONSIVE MEANS CARRIED RELATIVE TO SAID BASE TO RELATIVELY VARY THE POSITION OF SAID FIRST AND SECOND CONTACTS, ADJUSTMENT MEANS CARRIED RELATIVE TO SAID BASE AND COOPERATING TO RELATIVELY VARY THE TEMPEATURE OF ACTUATION OF SAID CONTACTS, BETWEEN FIRST AND SECOND CONDITIONS, A WEIGHTED PENDULUM HAVING A MOUNTING END, A PIVOT AXLE MOUNTING SAID MOUNTING END RELATIVE TO ONE OF SAID CONTACT MEMBERS, CAM MEANS CONNECTED TO BE ACTUATED IN ACCORDANCE WITH MOVEMENT OF SAID PENDULUM TO DIRECTLY ACT BETWEEN SAID CONTACT MEMBERS, A CAM LOBE AND A CAM NULL ON SAID CAM MEANS, SAID PENDULUM BEING ACTED UPON BY GRAVITY TO ATTEMPT TO HANG IN A VERTICAL POSITION AND SAID THERMOSTAT NORMALLY BEING MOUNTABLE IN AN ATTITUDE WHEREIN SAID PENDULUM VERTICAL ONE OF SAID CAM NULL AND CAM LOBE COOPERATES WITH SAID CONTACTS TO ESTABLISH SAID CONTACTS IN SAID FIRST CONDITION, AND TIPPING OF SAID THERMOSTAT IN A FIRST DIRECTION ESTABLISHING THE OTHER OF SAID CAM NULL AND CAM LOBE IN COOPERATION WITH SAID CONTACTS TO ESTABLISH SAID CONTACTS IN SAID SECOND CONDITION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |