US3236227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary heating means for solar oven
Assignee: Individual
•
Filing: 1964-02-03
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Granted: 1966-02-22
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Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Hyman A Steinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:42
CPC Classifications
F; F24; F24S; F24S20/00; F24S20/30; Y; Y02; Y02A; Y02A40/00; Y02A40/90; Y02A40/924; Y02A40/926; Y02B; Y02B40/00; Y02B40/18; Y02E; Y02E10/00; Y02E10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN A SOLAR OVEN COMPRISING A BODY INCLUDING AN INSULATED HEATING COMPARTMENT AND MEANS FOR CONCENTRATING SOLAR ENERGY INTO SAID COMPARTMENT TO ELEVATE THE TEMPERATURE THEREOF; THE IMPROVEMENT COMPRISING AN ELECTRIC HEATING ELEMENT DISPOSED WITHIN SAID INSULATED HEATING COMPARTMENT, AN EXTERNALLY ACCESSIBLE ELECTRICAL CONNECTOR, FOR CONNECTION TO A SOURCE OF ELECTRIC POTENTIAL, AND CONDUCTORS CONNECTING SAID HEATING ELEMENT TO SAID CONNECTOR.
Claim 2
Dependent Claim
61 words
IN A SOLAR OVEN COMPRISING A BODY INCLUDING AN INSULATED HEATING COMPARTMENT AND MEANS FOR CONCENTRATING SOLAR ENERGY INTO SAID COMPARTMENT TO ELEVATE THE TEMPERATURE THEREOF; THE IMPROVEMENT COMPRISING AN ELECTRIC HEATING ELEMENT DISPOSED WITHIN SAID INSULATED HEATING COMPARTMENT, AN EXTERNALLY ACCESSIBLE ELECTRICAL CONNECTOR, FOR CONNECTION TO A SOURCE OF ELECTRIC POTENTIAL, AND CONDUCTORS CONNECTING SAID HEATING ELEMENT TO SAID CONNECTOR.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |