US3157390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination gas and electric heater for a clothes drier
Assignee: Valeo Engine Cooling Inc
•
Filing: 1961-04-03
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Granted: 1964-11-17
•
Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Peyton W Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:48
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/26; D06F58/263; D06F58/32; D06F58/34; D06F58/46; D06F2103/00; D06F2103/28; D06F2103/32; D06F2103/52; D06F2105/00; D06F2105/28; D06F2105/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A CLOTHES DRIER HAVING A CABINET AND A BULKHEAD VERTICALLY DIVIDING THE INTERIOR THEREOF INTO A FRONT ROTATABLE DRUM COMPARTMENT AND A REAR HEATER COMPARTMENT, AN AIR HEATING UNIT IN SAID REAR COMPARTMENT EMBRACING AN OPENING IN SAID BULKHEAD LEADING INTO SAID FRONT COMPARTMENT, SAID UNIT COMPRISING AN ENCLOSURE HAVING INLET PORTS, AN ELECTRIC HEATER IN THE UPPER PORTION OF SAID ENCLOSURE, A GAS BURNER IN THE LOWER PORTION OF SAID ENCLOSURE, MEANS IN SAID UNIT FOR DEFLECTING HEAT FROM SAID BURNER AROUND SAID HEATER AND THROUGH SAID BULKHEAD OPENING INTO SAID FRONT COMPARTMENT, MANUALLY CONTROLLED MEANS CONNECTING SAID BURNER AND SAID HEATER WITH THEIR RESPECTIVE SOURCES OF SUPPLY, SAID MEANS IN-
Claim 2
Dependent Claim
113 words
IN A CLOTHES DRIER HAVING A CABINET AND A BULKHEAD VERTICALLY DIVIDING THE INTERIOR THEREOF INTO A FRONT ROTATABLE DRUM COMPARTMENT AND A REAR HEATER COMPARTMENT, AN AIR HEATING UNIT IN SAID REAR COMPARTMENT EMBRACING AN OPENING IN SAID BULKHEAD LEADING INTO SAID FRONT COMPARTMENT, SAID UNIT COMPRISING AN ENCLOSURE HAVING INLET PORTS, AN ELECTRIC HEATER IN THE UPPER PORTION OF SAID ENCLOSURE, A GAS BURNER IN THE LOWER PORTION OF SAID ENCLOSURE, MEANS IN SAID UNIT FOR DEFLECTING HEAT FROM SAID BURNER AROUND SAID HEATER AND THROUGH SAID BULKHEAD OPENING INTO SAID FRONT COMPARTMENT, MANUALLY CONTROLLED MEANS CONNECTING SAID BURNER AND SAID HEATER WITH THEIR RESPECTIVE SOURCES OF SUPPLY, SAID MEANS IN-
References Cited (Backward Citations)
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US2242630A
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US2756321A
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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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |