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US3222483A
Expired / Lapsed
US
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Thermostat device with over temperature safety means
Assignee: Robertshaw Controls Co
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Filing: 1964-03-12
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Granted: 1965-12-07
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Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Hugh J Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:57
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0208; H01; H01H; H01H37/00; H01H37/002; H01H37/02; H01H37/32; H01H37/36; H01H37/46; H01H37/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
IN A TEMPERATURE RESPONSIVE DEVICE FOR SENSING THE TEMPERATURE OF A FLUID IN A CONTAINER, THE COMBINATION COMPRISING FIRST MEANS FOR MOUNTING A WELL MEMBER WITHIN A CONTAINER, FRAME MEANS SECURED TO SAID FIRST MEANS, TEMPERATURE RESPONSIVE MEANS MOUNTED ON SAID FRAME MEANS AND HAVING TEMPERATURE SENSING MEANS CONNECTED THERETO AND EXTENDING INTO SAID WELL MEMBER FOR ACTUATING SAID TEMPERTURE RESPONSIVE MEANS, SWITCH MEANS MOUNTED ON SAID TEMPERATURE RESPONSIVE MEANS BY A SUPPORT MEMBER, A FULCRUM MEMBER BIASED INTO ENGAGMENT WITH SAID SUPPORT MEMBER, A LEVER PIVOTED AT ONE END ABOUT SAID FULCRUM MEMBER AND POSITIONED TO ENGAGE AT AN INTERMEDIATE PORTION WITH SAID TEMPERATURE RESPONSIVE MEANS, A SWITCH ACTUATING BUTTOM FOR ACTUATING SAID SWITCH MEANS ENGAGING THE OPPOSITE END OF SAID LEVER, SAID TEMPERATURE RESPONSIVE MEANS HAVING A FIRST RANGE OF MOVEMENT CAUSING PIVOTAL MOVEMENT OF SAID LEVER ABOUT SAID FULCRUM MEMBER TO ACTUATE SAID SWITCH BUTTOM, SAID TEMPERATURE RESPONSIVE MEANS HAVING A SECOND RANGE OF MOVEMENT CAUSING PIVOTAL MOVEMENT OF SAID LEVER ABOUT SAID SWITCH BUTTOM TO MOVE SAID FULCRUM MEMBER OUT OF ENGAGEMENT WITH SAID SUPPORT MEMBER WHEREBY SAID SECOND RANGE IS AN ABNORMAL TEMPERATURE CONTROL.
Claim 2
Dependent Claim
189 words
IN A TEMPERATURE RESPONSIVE DEVICE FOR SENSING THE TEMPERATURE OF A FLUID IN A CONTAINER, THE COMBINATION COMPRISING FIRST MEANS FOR MOUNTING A WELL MEMBER WITHIN A CONTAINER, FRAME MEANS SECURED TO SAID FIRST MEANS, TEMPERATURE RESPONSIVE MEANS MOUNTED ON SAID FRAME MEANS AND HAVING TEMPERATURE SENSING MEANS CONNECTED THERETO AND EXTENDING INTO SAID WELL MEMBER FOR ACTUATING SAID TEMPERTURE RESPONSIVE MEANS, SWITCH MEANS MOUNTED ON SAID TEMPERATURE RESPONSIVE MEANS BY A SUPPORT MEMBER, A FULCRUM MEMBER BIASED INTO ENGAGMENT WITH SAID SUPPORT MEMBER, A LEVER PIVOTED AT ONE END ABOUT SAID FULCRUM MEMBER AND POSITIONED TO ENGAGE AT AN INTERMEDIATE PORTION WITH SAID TEMPERATURE RESPONSIVE MEANS, A SWITCH ACTUATING BUTTOM FOR ACTUATING SAID SWITCH MEANS ENGAGING THE OPPOSITE END OF SAID LEVER, SAID TEMPERATURE RESPONSIVE MEANS HAVING A FIRST RANGE OF MOVEMENT CAUSING PIVOTAL MOVEMENT OF SAID LEVER ABOUT SAID FULCRUM MEMBER TO ACTUATE SAID SWITCH BUTTOM, SAID TEMPERATURE RESPONSIVE MEANS HAVING A SECOND RANGE OF MOVEMENT CAUSING PIVOTAL MOVEMENT OF SAID LEVER ABOUT SAID SWITCH BUTTOM TO MOVE SAID FULCRUM MEMBER OUT OF ENGAGEMENT WITH SAID SUPPORT MEMBER WHEREBY SAID SECOND RANGE IS AN ABNORMAL TEMPERATURE CONTROL.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |