Patent US3130773A successfully refreshed from Google Patents.
US3130773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled burner ring
Assignee: DRAKE BLOCK CO Inc
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Filing: 1959-05-04
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Granted: 1964-04-28
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Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 William C Beattie
- 👤 Champion Thomas
- 👤 Eliot C Prowse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:25
CPC Classifications
F; F23; F23M; F23M5/00; F23M5/02; F23M5/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN COMBINATION WITH A FUEL BURNER ADAPTED TO BE MOUNTED AT THE ENTRANCE TO A FURNACE AND COMPRISING A SPRAY NOZZLE FOR THE DISCHARGE OF FUEL UNDER HIGH PRESSURE INTO THE FURNACE, AN AIR-COOLED BURNER RING DISPOSED ABOUT SAID SPRAY NOZZLE AND ADAPTED TO BE MOUNTED IN THE FURNACE WALL TO PROTECT IT AGAINST THE BURNER HEAT AND DEFINING A BURNER THROAT WITHIN WHICH COMBUSTION OF THE FUEL TAKES PLACE, SAID BURNER RING COMPRISING A CIRCULAR SERIES OF THIN INDIVIDUAL INDEPENDENTLY SUPPORTED ONE-PIECE ELONGATED BARS SPACED APART TO PROVIDE BETWEEN
Claim 2
Dependent Claim
90 words
IN COMBINATION WITH A FUEL BURNER ADAPTED TO BE MOUNTED AT THE ENTRANCE TO A FURNACE AND COMPRISING A SPRAY NOZZLE FOR THE DISCHARGE OF FUEL UNDER HIGH PRESSURE INTO THE FURNACE, AN AIR-COOLED BURNER RING DISPOSED ABOUT SAID SPRAY NOZZLE AND ADAPTED TO BE MOUNTED IN THE FURNACE WALL TO PROTECT IT AGAINST THE BURNER HEAT AND DEFINING A BURNER THROAT WITHIN WHICH COMBUSTION OF THE FUEL TAKES PLACE, SAID BURNER RING COMPRISING A CIRCULAR SERIES OF THIN INDIVIDUAL INDEPENDENTLY SUPPORTED ONE-PIECE ELONGATED BARS SPACED APART TO PROVIDE BETWEEN
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |