Patent US3191669A successfully refreshed from Google Patents.
US3191669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic vehicle temperature control
Assignee: Individual
•
Filing: 1962-05-21
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Granted: 1965-06-29
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Dale E Johnson
- 👤 Allen E Hert
- 👤 Hubert H Sakel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:16
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00814
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A VEHICLE HAVING A COMPARTMENT, A MOTOR HEATING A FLUID, AND AN AIR HEATER HEATED BY SAID FLUID WITH A FLUID CONDUIT CONNECTED BETWEEN SAID HEATER AND MOTOR TO CONVEY SAID FLUID IN A FLUID PATH THROUGH SAID MOTOR AND HEATER, AND HAVING AN ELECTRIC FAN MOTOR AND FAN FOR MOVING AIR THROUGH SAID HEATER AND INTO THE COMPARTMENT, A COMPARTMENT TEMPERATURE CONTROL CIRCUIT COMPRISING: SAID FAN MOTOR; A SOURCE OF ELECTRICAL ENERGY COUPLED TO SAID FAN MOTOR; AND A FIRST TEMPERATURE RESPONSIVE ELECTRICAL SWITCH MEANS COUPLED TO SAID SOURCE AND TO SAID FAN MOTOR TO COMPLETE TO CIRCUIT, SAID FIRST SWITCH MEANS BEING
Claim 2
Dependent Claim
105 words
IN A VEHICLE HAVING A COMPARTMENT, A MOTOR HEATING A FLUID, AND AN AIR HEATER HEATED BY SAID FLUID WITH A FLUID CONDUIT CONNECTED BETWEEN SAID HEATER AND MOTOR TO CONVEY SAID FLUID IN A FLUID PATH THROUGH SAID MOTOR AND HEATER, AND HAVING AN ELECTRIC FAN MOTOR AND FAN FOR MOVING AIR THROUGH SAID HEATER AND INTO THE COMPARTMENT, A COMPARTMENT TEMPERATURE CONTROL CIRCUIT COMPRISING: SAID FAN MOTOR; A SOURCE OF ELECTRICAL ENERGY COUPLED TO SAID FAN MOTOR; AND A FIRST TEMPERATURE RESPONSIVE ELECTRICAL SWITCH MEANS COUPLED TO SAID SOURCE AND TO SAID FAN MOTOR TO COMPLETE TO CIRCUIT, SAID FIRST SWITCH MEANS BEING
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |