US3239650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid heater
Assignee: Vapor Corp
•
Filing: 1963-05-17
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Granted: 1966-03-08
•
Expires: 1983-05-17
Abstract
No abstract record available.
Inventors
- 👤 William W Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:40
CPC Classifications
F; F23; F23C; F23C99/00; B; B64; B64D; B64D10/00; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; F24H15/00; F24H15/20; F24H15/208; F24H15/30; F24H15/355; F24H15/37; G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27539; H; H05; H05B; H05B3/00; H05B3/78; H05B3/82; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A DEVICE FOR HEATING AND CONTROLLING THE TEMPERATURE OF FLUIDS, PARTICULARLY GASES, COMPRISING: A SUBSTANTIALLY CYLINDRICAL HOUSING HAVING INLET MEANS AT ONE END AND OUTLET MEANS AT THE OPPOSITE END THEREOF FOR PASSAGE OF FLUID SUBSTANTIALLY AXIALLY THERETHROUGH, ELECTRICAL RESISTANCE HEATER MEANS MOUNTED WITHIN SAID HOUSING FOR HEATING THE FLUID, TUBULAR MEANS SURROUNDING SAID HEATER MEANS AND EXTENDING BETWEEN THE LATTER AND THE INNER WALLS OF SAID HOUSING IN SPACED RELATIONSHIP WITH THE SAME TO INSULATE SAID HOUSING WALLS FROM THE THERMAL OUTPUT OF SAID HEATER MEANS, MEANS EXTENDING BETWEEN SAID TUBULAR MEANS AND SAID HOUSING PREVENTING THE PASSAGE OF FLUID THEREBETWEEN AND CHANNELLING THE FLOW OF SAID FLUID BETWEEN SAID HEATER MEANS AND TUBULAR MEANS, AND MEANS FOR CONTROLLING THE TEMPERATURE OF THE FLUID DISCHARGED FROM SAID OUTLET MEANS COMPRISING ELECTRICAL CIRCUIT MEANS INCLUDING THERMOSTATIC MEANS OPERATIVELY RESPONSIVE TO THE TEMPERATURE OF FLUID HEATED BY SAID HEATER MEANS AND ELECTRICAL RELAY MEANS IN CIRCUIT WITH SAID THERMOSTATIC MEANS, SAID HEATER MEANS AND A SOURCE OF ELECTRICAL ENERGY; SAID RELAY MEANS BEING OPERABLE FOR AUTOMATICALLY DEENERGIZING SAID HEATER MEANS IN RESPONSE TO OPERATION OF SAID THERMOSTATIC MEANS AT A PREDETERMINED MAXIMUM TEMPERATURE LIMIT OF SAID FLUID SENSED BY SAID THERMOSTATIC MEANS AND FOR ENERGIZING SAID HEATER MEANS AT TEMPERATURES OF SAID FLUID BELOW SAID
Claim 2
Independent Claim
214 words
A DEVICE FOR HEATING AND CONTROLLING THE TEMPERATURE OF FLUIDS, PARTICULARLY GASES, COMPRISING: A SUBSTANTIALLY CYLINDRICAL HOUSING HAVING INLET MEANS AT ONE END AND OUTLET MEANS AT THE OPPOSITE END THEREOF FOR PASSAGE OF FLUID SUBSTANTIALLY AXIALLY THERETHROUGH, ELECTRICAL RESISTANCE HEATER MEANS MOUNTED WITHIN SAID HOUSING FOR HEATING THE FLUID, TUBULAR MEANS SURROUNDING SAID HEATER MEANS AND EXTENDING BETWEEN THE LATTER AND THE INNER WALLS OF SAID HOUSING IN SPACED RELATIONSHIP WITH THE SAME TO INSULATE SAID HOUSING WALLS FROM THE THERMAL OUTPUT OF SAID HEATER MEANS, MEANS EXTENDING BETWEEN SAID TUBULAR MEANS AND SAID HOUSING PREVENTING THE PASSAGE OF FLUID THEREBETWEEN AND CHANNELLING THE FLOW OF SAID FLUID BETWEEN SAID HEATER MEANS AND TUBULAR MEANS, AND MEANS FOR CONTROLLING THE TEMPERATURE OF THE FLUID DISCHARGED FROM SAID OUTLET MEANS COMPRISING ELECTRICAL CIRCUIT MEANS INCLUDING THERMOSTATIC MEANS OPERATIVELY RESPONSIVE TO THE TEMPERATURE OF FLUID HEATED BY SAID HEATER MEANS AND ELECTRICAL RELAY MEANS IN CIRCUIT WITH SAID THERMOSTATIC MEANS, SAID HEATER MEANS AND A SOURCE OF ELECTRICAL ENERGY; SAID RELAY MEANS BEING OPERABLE FOR AUTOMATICALLY DEENERGIZING SAID HEATER MEANS IN RESPONSE TO OPERATION OF SAID THERMOSTATIC MEANS AT A PREDETERMINED MAXIMUM TEMPERATURE LIMIT OF SAID FLUID SENSED BY SAID THERMOSTATIC MEANS AND FOR ENERGIZING SAID HEATER MEANS AT TEMPERATURES OF SAID FLUID BELOW SAID
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |