US3343586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic heater
Assignee: Coleman Co Inc
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Filing: 1965-04-26
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Granted: 1967-09-26
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Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 Donald V Berchtold
- 👤 William J Marsh
- 👤 Ellwood E Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:22
CPC Classifications
F; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/0057; F23D2206/0063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A CATALYTIC HEATER CAPABLE OF SUSTAINING A SUBSTANTIALLY UNIFORM HIGH RATE OF FUEL CONSUMPTION FROM FULL FUEL CHARGE TO EMPTY: SAID HEATER BEING OF THE KIND HAVING A BASE HOUSING, A COMBUSTION HEAD THEREABOVE PROVIDING AN ENCLOSED FUEL VAPOR COLLECTION SPACE, THE TOP PORTION OF SAID HEAD BEING FORMED BY A POROUS CATALYTIC COMBUSTION ELEMENT IN VAPOR TRANSFER RELATION WITH SAID COLLECTION SPACE, AND A TUBULAR CONNECTOR EXTENDING BETWEEN SAID COMBUSTIN HEAD AND SAID BASE HOUSING; SAID HEATER BEING CHARACTERIZED BY (A) AN UNPACKED RESERVOIR FOR LIQUID FUEL PROVIDED WITHIN SAID BASE HOUSING,
Claim 2
Dependent Claim
93 words
A CATALYTIC HEATER CAPABLE OF SUSTAINING A SUBSTANTIALLY UNIFORM HIGH RATE OF FUEL CONSUMPTION FROM FULL FUEL CHARGE TO EMPTY: SAID HEATER BEING OF THE KIND HAVING A BASE HOUSING, A COMBUSTION HEAD THEREABOVE PROVIDING AN ENCLOSED FUEL VAPOR COLLECTION SPACE, THE TOP PORTION OF SAID HEAD BEING FORMED BY A POROUS CATALYTIC COMBUSTION ELEMENT IN VAPOR TRANSFER RELATION WITH SAID COLLECTION SPACE, AND A TUBULAR CONNECTOR EXTENDING BETWEEN SAID COMBUSTIN HEAD AND SAID BASE HOUSING; SAID HEATER BEING CHARACTERIZED BY (A) AN UNPACKED RESERVOIR FOR LIQUID FUEL PROVIDED WITHIN SAID BASE HOUSING,
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |