US3202201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner for melting and refining scrap metal
Assignee: Chemetron Corp
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Filing: 1962-01-15
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Granted: 1965-08-24
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Masella
- 👤 Richard K Matuschkovitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:10
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/32; C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4606; F23D14/46; F23D14/72; F23D14/78; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN APPARATUS FOR MELTING AND REFINING SCRAP METALS COMPRISING, A BODY PORTION TERMINATING IN A HEAD PORTION, SAID BODY PORTION DEFINING FIVE CONCENTRICALLY POSITIONED CHAMBERS, AN END WALL IN SAID HEAD PORTION WITH A CENTRAL PASSAGE DEFINING A COMMON NOZZLE IN COMMUNICATION WITH THE CENTRAL CHAMBER AND THE SECOND CONCENTRIC CHAMBER, SAID COMMON NOZZLE DISCHARGING GASES IN A DOWNSTREAM DIRECTION, MEANS INCLUDING A PLURALITY OF NOZZLES SPACED AROUND SAID COMMON NOZZLE FOR DISCHARGING GASES IN DIVERGENT DOWNSTREAM DIRECTIONS AND COMMUNICATING WITH THE FOURTH CONCENTRIC CHAMBER, PASSAGE MEANS IN SAID HEAD PORTION AND SURROUNDING SAID NOZZLES TO PROVIDE COMMUNICATION BETWEEN THE THIRD AND FIFTH CHAMBERS, SPACING MEANS TO MAINTAIN SAID CHAMBERS IN CONCENTRIC ARRANGEMENT AND TO CLOSE SAID CHAMBERS OPPOSITE SAID HEAD PORTION, INDEPENDENT INLET MEANS FOR GASES COMMUNICATING WITH SAID CENTRAL CHAMBER AND WITH SAID SECOND CHAMBER, STILL ANOTHER INLET MEANS FOR OXYGEN IN COMMUNICATION WITH SAID FOURTH CHAMBER, AND FLUID COOLANT INLET AND OUTLET MEANS COMMUNICATING WITH SAID THIRD CHAMBER AND WITH SAID FIFTH OUTER CHAMBER.
Claim 2
Independent Claim
167 words
AN APPARATUS FOR MELTING AND REFINING SCRAP METALS COMPRISING, A BODY PORTION TERMINATING IN A HEAD PORTION, SAID BODY PORTION DEFINING FIVE CONCENTRICALLY POSITIONED CHAMBERS, AN END WALL IN SAID HEAD PORTION WITH A CENTRAL PASSAGE DEFINING A COMMON NOZZLE IN COMMUNICATION WITH THE CENTRAL CHAMBER AND THE SECOND CONCENTRIC CHAMBER, SAID COMMON NOZZLE DISCHARGING GASES IN A DOWNSTREAM DIRECTION, MEANS INCLUDING A PLURALITY OF NOZZLES SPACED AROUND SAID COMMON NOZZLE FOR DISCHARGING GASES IN DIVERGENT DOWNSTREAM DIRECTIONS AND COMMUNICATING WITH THE FOURTH CONCENTRIC CHAMBER, PASSAGE MEANS IN SAID HEAD PORTION AND SURROUNDING SAID NOZZLES TO PROVIDE COMMUNICATION BETWEEN THE THIRD AND FIFTH CHAMBERS, SPACING MEANS TO MAINTAIN SAID CHAMBERS IN CONCENTRIC ARRANGEMENT AND TO CLOSE SAID CHAMBERS OPPOSITE SAID HEAD PORTION, INDEPENDENT INLET MEANS FOR GASES COMMUNICATING WITH SAID CENTRAL CHAMBER AND WITH SAID SECOND CHAMBER, STILL ANOTHER INLET MEANS FOR OXYGEN IN COMMUNICATION WITH SAID FOURTH CHAMBER, AND FLUID COOLANT INLET AND OUTLET MEANS COMMUNICATING WITH SAID THIRD CHAMBER AND WITH SAID FIFTH OUTER CHAMBER.
References Cited (Backward Citations)
BE533249A
Cited
FR674705A
Cited
US2605180A
Cited
US2863656A
Cited
US2807506A
Cited
US2971578A
Cited
FR1226560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |