US3017445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner-thermoelectric generator assembly
Assignee: 3M Co
•
Filing: 1959-07-07
•
Granted: 1962-01-16
•
Expires: 1979-07-07
Abstract
No abstract record available.
Inventors
- 👤 Robert W Fritts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:50
CPC Classifications
H; H10; H10N; H10N10/00; C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; F; F22; F22B; F22B1/00; F22B1/28; F22B1/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A COMBINATION BURNER-THERMOELECTRIC GENERATOR ASSEMBLY COMPRISING A BURNER BODY FORMED OF CONCENTRIC INNER AND OUTER SLEEVES AND AN ANNULAR TRANSVERSE WALL JOINING SAID SLEEVES AT ONE END OF SAID INNER SLEEVE, SAID INNER SLEEVE HAVING FUEL INLET MEANS AT ITS OTHER END AND TERMINATING IN A FLAME PORT AT SAID ANNULAR TRANSVERSE WALL, SAID OUTER SLEEVE BEING FORMED OF HEAT CONDUCTIVE MATERIAL AND EXTENDING AXIALLY BEYOND SAID ANNULAR WALL TO AFFORD A TUBULAR FLANGE IN SPACED COAXIAL RELATION SURROUNDING SAID FLAME PORT, AND AN ANNULAR THERMOELECTRIC GENERATOR DISPOSED BETWEEN SAID INNER AND OUTER SLEEVES AND TERMINATING SHORT OF ALL PORTIONS OF SAID ANNULAR TRANSVERSE WALL,
Claim 2
Dependent Claim
105 words
A COMBINATION BURNER-THERMOELECTRIC GENERATOR ASSEMBLY COMPRISING A BURNER BODY FORMED OF CONCENTRIC INNER AND OUTER SLEEVES AND AN ANNULAR TRANSVERSE WALL JOINING SAID SLEEVES AT ONE END OF SAID INNER SLEEVE, SAID INNER SLEEVE HAVING FUEL INLET MEANS AT ITS OTHER END AND TERMINATING IN A FLAME PORT AT SAID ANNULAR TRANSVERSE WALL, SAID OUTER SLEEVE BEING FORMED OF HEAT CONDUCTIVE MATERIAL AND EXTENDING AXIALLY BEYOND SAID ANNULAR WALL TO AFFORD A TUBULAR FLANGE IN SPACED COAXIAL RELATION SURROUNDING SAID FLAME PORT, AND AN ANNULAR THERMOELECTRIC GENERATOR DISPOSED BETWEEN SAID INNER AND OUTER SLEEVES AND TERMINATING SHORT OF ALL PORTIONS OF SAID ANNULAR TRANSVERSE WALL,
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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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |