US3024836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiating thermic element with catalytic gas oxidation
Assignee: American Infra Red Radiant Co Inc
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Filing: 1955-10-18
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Granted: 1962-03-13
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Expires: 1975-10-18
Abstract
No abstract record available.
Inventors
- 👤 Bello Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:14
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D14/00; F23D14/12; F23D14/18; F23C2700/00; F23C2700/04; F23C2700/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A CATALYTIC HEATER FOR OPERATION WITH GASEOUS FUEL S COMPRISING, A HOUSING HAVING A WALL AND AN OPENING OPPOSITE SAID WALL, A CATALYTIC MASS COVERING SAID OPENING AND COMPRISING A PAIR OF LAYERS OF CATALYTIC MATERIAL IN FACE TO FACE RELATION, ELECTRIC RESISTANCE MEANS DISPOSED BETWEEN SAID LAYERS AND EXTENDNG ACROSS SUBSTANTIALLY THE
Claim 2
Dependent Claim
53 words
A CATALYTIC HEATER FOR OPERATION WITH GASEOUS FUEL S COMPRISING, A HOUSING HAVING A WALL AND AN OPENING OPPOSITE SAID WALL, A CATALYTIC MASS COVERING SAID OPENING AND COMPRISING A PAIR OF LAYERS OF CATALYTIC MATERIAL IN FACE TO FACE RELATION, ELECTRIC RESISTANCE MEANS DISPOSED BETWEEN SAID LAYERS AND EXTENDNG ACROSS SUBSTANTIALLY THE
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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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |