Patent US3726155A successfully refreshed from Google Patents.
Patent US3241760A successfully refreshed from Google Patents.
US3241760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low wax pressure thermostat
Assignee: Motors Liquidation Co
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Filing: 1964-06-09
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Granted: 1966-03-22
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Charles S Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:14
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A THERMOSTAT FOR CONTROLLING THE FLOW OF FLUID IN A CONDUIT, SAID THERMOSTAT COMPRISING A FRAME ADAPTED TO BE MOUNTED IN SAID CONDUIT AND HAVING A DISCHARGE OPENING THEREIN, A CENTRAL MEMBER FIXED TO SAID FRAME AND HAVING TWO SPACED SEALING WALLS, A SLEEVE SLIDABLE ON SAID WALLS WITH ONE END ADAPTED TO SEAT ON SAID FRAME TO CLOSE OF SAID DISCHARGE OPENING, SPRING RETAINING MEANS ON SAID SLEEVE, SPRING MEANS ACTING BETWEEN ONE OF SAID WALLS AND SAID RETAINING MEANS URGING SAID SLEEVE TOWARD ITS CLOSED POSITION, AN INTERIOR ANNULAR SHOULDER ON SAID SLEEVE BETWEEN SAID WALLS AND FACING SAID ONE WALL, AND AND EXPANSIBLE THERMO-SENSITIVE WAX COMPOSITION FILLING A SPACE WITHIN SAID SLEEVE BETWEEN SAID WALLS AND CONTACTING SAID ANNULAR SHOULDER.
Claim 2
Dependent Claim
123 words
A THERMOSTAT FOR CONTROLLING THE FLOW OF FLUID IN A CONDUIT, SAID THERMOSTAT COMPRISING A FRAME ADAPTED TO BE MOUNTED IN SAID CONDUIT AND HAVING A DISCHARGE OPENING THEREIN, A CENTRAL MEMBER FIXED TO SAID FRAME AND HAVING TWO SPACED SEALING WALLS, A SLEEVE SLIDABLE ON SAID WALLS WITH ONE END ADAPTED TO SEAT ON SAID FRAME TO CLOSE OF SAID DISCHARGE OPENING, SPRING RETAINING MEANS ON SAID SLEEVE, SPRING MEANS ACTING BETWEEN ONE OF SAID WALLS AND SAID RETAINING MEANS URGING SAID SLEEVE TOWARD ITS CLOSED POSITION, AN INTERIOR ANNULAR SHOULDER ON SAID SLEEVE BETWEEN SAID WALLS AND FACING SAID ONE WALL, AND AND EXPANSIBLE THERMO-SENSITIVE WAX COMPOSITION FILLING A SPACE WITHIN SAID SLEEVE BETWEEN SAID WALLS AND CONTACTING SAID ANNULAR SHOULDER.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |