US3341675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space heater with two thermal sensors acting on a controller actuator along approximately the same line
Assignee: Sola Basic Industries Inc
•
Filing: 1965-08-26
•
Granted: 1967-09-12
•
Expires: 1985-08-26
Abstract
No abstract record available.
Inventors
- 👤 Harley J Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:44
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
FOR HEATING AIR IN A SPACE, APPARATUS COMPRISING A HEATER, A CASING FOR THE HEATER, THE CASING HAVING A PASSAGEWAY FOR THE AIR, THE PASSAGEWAY HAVING AN INLET AND AN OUTLET COMMUNICATING WITH SAID SPACE, THE HEATER BEING DISPOSED IN HEAT-TRANSFER RELATION TO THE PASSAGEWAY BETWEEN THE INLET AND OUTLET, A CONTROLLER FOR VARYING THE HEAT PRODUCED BY THE HEATER HAVING AN ACTUATOR, AND TWO THERMAL SENSORS FOR ACTUATING THE CONTROLLER, ONE SENSOR
Claim 2
Dependent Claim
73 words
FOR HEATING AIR IN A SPACE, APPARATUS COMPRISING A HEATER, A CASING FOR THE HEATER, THE CASING HAVING A PASSAGEWAY FOR THE AIR, THE PASSAGEWAY HAVING AN INLET AND AN OUTLET COMMUNICATING WITH SAID SPACE, THE HEATER BEING DISPOSED IN HEAT-TRANSFER RELATION TO THE PASSAGEWAY BETWEEN THE INLET AND OUTLET, A CONTROLLER FOR VARYING THE HEAT PRODUCED BY THE HEATER HAVING AN ACTUATOR, AND TWO THERMAL SENSORS FOR ACTUATING THE CONTROLLER, ONE SENSOR
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |