US3258052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat generators
Assignee: Colt Ventilation and Heating Ltd
•
Filing: 1964-01-15
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Granted: 1966-06-28
•
Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Wilson Alfred
- 👤 Charles J G Green
- 👤 David J O'reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:10
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/18; F24H9/1854; F24H9/1877; F24H9/1881; F23; F23C; F23C9/00; F23C9/006; F23D; F23D11/00; F24H3/00; F24H3/02; F24H3/06; F24H3/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A HEAT GENERATOR COMPRISING A HEAT EXCHANGER CHAMBER HAVING CONFRONTING END WALLS AND A SIDE WALL EXTENDING THEREBETWEEN ABOUT A LONGITUDINAL AXIS OF THE CHAMBER, A BURNER CARRIED SUBSTANTIALLY CENTRALLY OF ONE OF SAID END WALLS OF THE HEAT EXCHANGER CHAMBER AND DIRECTED LENGTHWISE OF SUCH CHAMBER TOWARDS THE OPPOSITE END WALL, SAID BURNER INCLUDING A COMBUSTION CHAMBER AND WALL MEANS DEFINING A FLAME DISCHARGE CONE WHICH FORMS AN AXIAL EXTENSION OF THE COMBUSTION CHAMBER, WHICH WALL MEANS IS BOTH INTERNALLY AND EXTERNALLY CONVERGENT TOWARDS THE MOUTH OF THE CONE IN THE DIRECTION OF THE FLANGE PROPAGATION AND PROJECTS TO A LIMITED EXTENT INTO THE HEAT EXCHANGER CHAMBER SUCH AS TO PRODUCE A FLAME WHICH EXTENDS FORWARDLY FROM SAID MOUTH INTO THE HEAT EXCHANGER CHAMBER AND WHICH IS SPACED SUBSTANTIALLY FROM THE SIDE WALL THEREOF, AND EXHAUST PORTING FOR THE DISCHARGE OF COMBUSTION PRODUCTS FROM THE HEAT EXCHANGER CHAMBER LOCATED IN THE SIDE WALL ADJACENT SAID ONE END WALL, THE CONSTRUCTION AND ARRANGEMENT BEING SUCH THAT THE HOT COMBUSTION GASES ARE CIRCULATED WITHIN THE HEAT EXCHANGER CHAMBER FIRSTLY AS A STREAM LENGTH-
Claim 2
Dependent Claim
182 words
A HEAT GENERATOR COMPRISING A HEAT EXCHANGER CHAMBER HAVING CONFRONTING END WALLS AND A SIDE WALL EXTENDING THEREBETWEEN ABOUT A LONGITUDINAL AXIS OF THE CHAMBER, A BURNER CARRIED SUBSTANTIALLY CENTRALLY OF ONE OF SAID END WALLS OF THE HEAT EXCHANGER CHAMBER AND DIRECTED LENGTHWISE OF SUCH CHAMBER TOWARDS THE OPPOSITE END WALL, SAID BURNER INCLUDING A COMBUSTION CHAMBER AND WALL MEANS DEFINING A FLAME DISCHARGE CONE WHICH FORMS AN AXIAL EXTENSION OF THE COMBUSTION CHAMBER, WHICH WALL MEANS IS BOTH INTERNALLY AND EXTERNALLY CONVERGENT TOWARDS THE MOUTH OF THE CONE IN THE DIRECTION OF THE FLANGE PROPAGATION AND PROJECTS TO A LIMITED EXTENT INTO THE HEAT EXCHANGER CHAMBER SUCH AS TO PRODUCE A FLAME WHICH EXTENDS FORWARDLY FROM SAID MOUTH INTO THE HEAT EXCHANGER CHAMBER AND WHICH IS SPACED SUBSTANTIALLY FROM THE SIDE WALL THEREOF, AND EXHAUST PORTING FOR THE DISCHARGE OF COMBUSTION PRODUCTS FROM THE HEAT EXCHANGER CHAMBER LOCATED IN THE SIDE WALL ADJACENT SAID ONE END WALL, THE CONSTRUCTION AND ARRANGEMENT BEING SUCH THAT THE HOT COMBUSTION GASES ARE CIRCULATED WITHIN THE HEAT EXCHANGER CHAMBER FIRSTLY AS A STREAM LENGTH-
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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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |