US3253787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained oxygen fuel gas torch
Assignee: Individual
•
Filing: 1962-09-17
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Granted: 1966-05-31
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Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Stutzman Kenneth Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:25
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
IN COMBINATION A LIQUID FUEL CONTAINER, AN OXYGEN CONTAINER, AND A BURNER NOZZLE, A MIXING DUCT AND AN OXYGEN DELIVERY DUCT BOTH LEADING FROM THE OXYGEN CONTAINER TO THE BURNER NOZZLE, VALVE MEANS IN THE OXYGEN DELIVERY DUCT FOR OPENING AND CLOSING THE DUCT FOR FLOW OF OXYGEN TO THE NOZZLE, BLEED VALVE MEANS IN THE MIXING DUCT FOR VENTING A PORTION OF THE OXYGEN TO THE ATMOSPHERE AND ALLOWING ANOTHER PORTION OF THE OXYGEN TO PASS THROUGH THE MIXING DUCT TO THE BURNER NOZZLE, A FUEL DELIVERY DUCT FROM THE FUEL CONTAINER TO THE MIXING DUCT DOWNSTREAM OF THE BLEED VALVE MEANS, SAID MIXING DUCT FUNCTIONING AS A MIXING CHAMBER FOR FUEL AND OXYGEN, SAID FUEL CONTAINER CONTAINING A LIQUID FUEL, A REGULATING VALVE IN THE FUEL DELIVERY DUCT FOR REGULATING THE FLOW OF VAPORIZED FUEL, CONNECTING BRACKET MEANS RIGIDLY JOINING THE TWO CONTAINERS, SAID CONTAINERS POSITIONED TO ACT AS HANDLES FOR THE BURNER NOZZLE, SAID OXYGEN CONTAINER CONTAINING A SOLID PELLET OF OXYGEN PRODUCING MATERIAL, SAID PELLET BEING EXOTHERMIC UPON THE PRODUCTION OF OXYGEN, SAID BRACKET MEANS CONDUCTING HEAT FROM THE OXYGEN CONTAINER TO THE FUEL CONTAINER TO ASSIST IN VAPORIZING THE LIQUID FUEL IN THE FUEL CONTAINER.
Claim 2
Dependent Claim
200 words
IN COMBINATION A LIQUID FUEL CONTAINER, AN OXYGEN CONTAINER, AND A BURNER NOZZLE, A MIXING DUCT AND AN OXYGEN DELIVERY DUCT BOTH LEADING FROM THE OXYGEN CONTAINER TO THE BURNER NOZZLE, VALVE MEANS IN THE OXYGEN DELIVERY DUCT FOR OPENING AND CLOSING THE DUCT FOR FLOW OF OXYGEN TO THE NOZZLE, BLEED VALVE MEANS IN THE MIXING DUCT FOR VENTING A PORTION OF THE OXYGEN TO THE ATMOSPHERE AND ALLOWING ANOTHER PORTION OF THE OXYGEN TO PASS THROUGH THE MIXING DUCT TO THE BURNER NOZZLE, A FUEL DELIVERY DUCT FROM THE FUEL CONTAINER TO THE MIXING DUCT DOWNSTREAM OF THE BLEED VALVE MEANS, SAID MIXING DUCT FUNCTIONING AS A MIXING CHAMBER FOR FUEL AND OXYGEN, SAID FUEL CONTAINER CONTAINING A LIQUID FUEL, A REGULATING VALVE IN THE FUEL DELIVERY DUCT FOR REGULATING THE FLOW OF VAPORIZED FUEL, CONNECTING BRACKET MEANS RIGIDLY JOINING THE TWO CONTAINERS, SAID CONTAINERS POSITIONED TO ACT AS HANDLES FOR THE BURNER NOZZLE, SAID OXYGEN CONTAINER CONTAINING A SOLID PELLET OF OXYGEN PRODUCING MATERIAL, SAID PELLET BEING EXOTHERMIC UPON THE PRODUCTION OF OXYGEN, SAID BRACKET MEANS CONDUCTING HEAT FROM THE OXYGEN CONTAINER TO THE FUEL CONTAINER TO ASSIST IN VAPORIZING THE LIQUID FUEL IN THE FUEL CONTAINER.
References Cited (Backward Citations)
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |