Patent US3240256A successfully refreshed from Google Patents.
US3240256A
Expired / Lapsed
US
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Catalytic heater
Assignee: Canadian Patents and Development Ltd
•
Filing: 1963-11-19
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Granted: 1966-03-15
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Binkley
- 👤 Thomas R Ringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:54
CPC Classifications
F; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/0057; F23D2206/0063; F23D2900/00; F23D2900/03081
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
IN A CATALYTIC HEATER HAVING A FUEL RESERVOIR, A BURNER HOUSING LOCATED ABOVE SAID RESERVOIR AND SUPPORTING A CATALYST ADAPTED TO EFFECT FLAMELESS COMBUSTION OF A HYDROCARBON FUEL AND A WICK EXTENDING BETWEEN SAID RESERVOIR AND A VAPORIZATION CHAMBER IN SAID BURNER HOUSING FOR SUPPLYING FUEL VAPOR FROM SAID RESERVOIR TO SAID CHAMBER, THE IMPROVEMENT COMPRISING A WICK FORMED OF AN ABSORBENT CERAMIC MATERIAL AND HAVING ON THE SURFACE THERE-
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |