US3246121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space heater
Assignee: Hupp Corp
•
Filing: 1961-12-29
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Granted: 1966-04-12
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John J Fannon
- 👤 Robert J Fannon
- 👤 Gordon B Moody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:38
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411; H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0071; H05B3/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN ELECTRIC SPACE HEATER COMPRISING: (A) A TROUGH-SHAPED HOUSING HAVING A BASE WALL AND DEPENDING NON-PLANAR SIDE WALLS WITH THE TERMINAL PORTIONS OF SAID SIDE WALLS FORMING REFLECTIVE SURFACES, (B) ELONGATED ELECTRICALLY POWERED RADIANT SUB-ASSEMBLY, SAID SUB-ASSEMBLY COMPRISING A REFLECTOR AND AT LEAST ONE ELECTRICALLY POWERED RADIANT, SAID SUBASSEMBLY BEING DETACHABLY SUSPENDED IN LONGITUDINALLY EXTENDING RELATION WITHIN SAID HOUSING IN ADJACENTLY SPACED RELATION TO THE BASE WALL OF THE TROUGH THEREOF, SAID REFLECTOR BEING OF GENERALLY TROUGHSHAPED CONFIGURATION WITH THE OPEN SIDE FACING AWAY FROM SAID BASE WALL AND SAID REFLECTOR BEING INTERMEDIATE SAID BASE WALL AND SAID RADIANT WITH ITS SIDE WALL EDGE EXTENDING BEYOND SAID RADIANT AND BEING ADJACENT SAID TERMINAL PORTIONS OF SAID HOUSING SIDE WALLS, AND (C) MEANS FOR CIRCULATING COOLING AIR BETWEEN THE ADJACENT SURFACES OF SAID SUB-ASSEMBLY AND SAID HOUSING TO PREVENT OVER-HEATING OF SAID HOUSING BY HEAT FROM THE RADIANT OF SAID SUB-ASSEMBLY.
Claim 2
Dependent Claim
150 words
AN ELECTRIC SPACE HEATER COMPRISING: (A) A TROUGH-SHAPED HOUSING HAVING A BASE WALL AND DEPENDING NON-PLANAR SIDE WALLS WITH THE TERMINAL PORTIONS OF SAID SIDE WALLS FORMING REFLECTIVE SURFACES, (B) ELONGATED ELECTRICALLY POWERED RADIANT SUB-ASSEMBLY, SAID SUB-ASSEMBLY COMPRISING A REFLECTOR AND AT LEAST ONE ELECTRICALLY POWERED RADIANT, SAID SUBASSEMBLY BEING DETACHABLY SUSPENDED IN LONGITUDINALLY EXTENDING RELATION WITHIN SAID HOUSING IN ADJACENTLY SPACED RELATION TO THE BASE WALL OF THE TROUGH THEREOF, SAID REFLECTOR BEING OF GENERALLY TROUGHSHAPED CONFIGURATION WITH THE OPEN SIDE FACING AWAY FROM SAID BASE WALL AND SAID REFLECTOR BEING INTERMEDIATE SAID BASE WALL AND SAID RADIANT WITH ITS SIDE WALL EDGE EXTENDING BEYOND SAID RADIANT AND BEING ADJACENT SAID TERMINAL PORTIONS OF SAID HOUSING SIDE WALLS, AND (C) MEANS FOR CIRCULATING COOLING AIR BETWEEN THE ADJACENT SURFACES OF SAID SUB-ASSEMBLY AND SAID HOUSING TO PREVENT OVER-HEATING OF SAID HOUSING BY HEAT FROM THE RADIANT OF SAID SUB-ASSEMBLY.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |