US3260076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflagrating metallic cutting torch
Assignee: Individual
•
Filing: 1964-02-20
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Granted: 1966-07-12
•
Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 Humberg Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:58
CPC Classifications
F; F23; F23D; F23D99/00; E; E21; E21B; E21B7/00; E21B7/14; E21B7/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
250 words
AN OPEN FLAME TORCH COMPRISING, IN COMBINATION, AN ELONGATED BURNER PIPE HAVING AN INNER SURFACE, AN OUTER SURFACE AND AN AXIS, SAID PIPE BEING MADE FROM A METALLIC MATERIAL, WHICH GRADUALLY BURNS-OFF WHEN IGNITED UNDER SUPPLY OF OXYGEN; A PLURALITY OF ELONGATED BURNABLE METAL WIRES; AT LEAST ONE ELONGATED MAGNESIUM ALLOY ROD, SAID BURNABLE METAL WIRES AND SAID MAGNESIUM ALLOY ROD HAVING SUBSTANTIALLY THE SAME LENGTH AS SAID PIPE AND BEING ARRANGED INSIDE OF SAID PIPE SUBSTANTIALLY PARALLEL TO SAID AXIS AND WITH THEIR SURFACES AT LEAST IN PART SPACED FROM SAID INNER SURFACE, AND FROM EACH OTHER, SO AS TO DEFINE PASSAGE MEANS FOR THE FLOW OF GAS THROUGH SAID TORCH WHICH IS BOUNDED BY PORTIONS OF THE INNER SURFACE OF SAID PIPE AND OF THE SURFACES OF SAID WIRES AND SAID MAGNESIUM ALLOY ROD, SUCH SURFACE PORTIONS TOGETHER HAVING AN AREA SUBSTANTIALLY GREATER THAN THE AREA OF SAID INNER SURFACE OF SAID PIPE; OXYGEN SUPPLY MEANS; AND CONNECTING MEANS INTERPOSED BETWEEN ONE END OF SAID PIPE AND SAID OXYGEN SUPPLY MEANS FOR CONNECTING SAID ONE END OF SAID PIPE TO SAID OXYGEN SUPPLY MEANS, SO THAT OXYGEN MAY FLOW THROUGH SAID PASSAGE MEANS ALONG AND IN CONTACT WITH ALL OF SAID PORTIONS OF SAID INNER SURFACE OF SAID PIPE AND SAID SURFACES OF SAID WIRES AND SAID ROD SO AS TO HAVE AN AREA OF CONTACT WITH SAID SURFACE PORTIONS WHICH EXCEEDS THE AREA OF SAID INNER SURFACE OF SAID PIPE, WHEREBY BURNING OF SAID TORCH IS ENHANCED.
Claim 2
Dependent Claim
250 words
AN OPEN FLAME TORCH COMPRISING, IN COMBINATION, AN ELONGATED BURNER PIPE HAVING AN INNER SURFACE, AN OUTER SURFACE AND AN AXIS, SAID PIPE BEING MADE FROM A METALLIC MATERIAL, WHICH GRADUALLY BURNS-OFF WHEN IGNITED UNDER SUPPLY OF OXYGEN; A PLURALITY OF ELONGATED BURNABLE METAL WIRES; AT LEAST ONE ELONGATED MAGNESIUM ALLOY ROD, SAID BURNABLE METAL WIRES AND SAID MAGNESIUM ALLOY ROD HAVING SUBSTANTIALLY THE SAME LENGTH AS SAID PIPE AND BEING ARRANGED INSIDE OF SAID PIPE SUBSTANTIALLY PARALLEL TO SAID AXIS AND WITH THEIR SURFACES AT LEAST IN PART SPACED FROM SAID INNER SURFACE, AND FROM EACH OTHER, SO AS TO DEFINE PASSAGE MEANS FOR THE FLOW OF GAS THROUGH SAID TORCH WHICH IS BOUNDED BY PORTIONS OF THE INNER SURFACE OF SAID PIPE AND OF THE SURFACES OF SAID WIRES AND SAID MAGNESIUM ALLOY ROD, SUCH SURFACE PORTIONS TOGETHER HAVING AN AREA SUBSTANTIALLY GREATER THAN THE AREA OF SAID INNER SURFACE OF SAID PIPE; OXYGEN SUPPLY MEANS; AND CONNECTING MEANS INTERPOSED BETWEEN ONE END OF SAID PIPE AND SAID OXYGEN SUPPLY MEANS FOR CONNECTING SAID ONE END OF SAID PIPE TO SAID OXYGEN SUPPLY MEANS, SO THAT OXYGEN MAY FLOW THROUGH SAID PASSAGE MEANS ALONG AND IN CONTACT WITH ALL OF SAID PORTIONS OF SAID INNER SURFACE OF SAID PIPE AND SAID SURFACES OF SAID WIRES AND SAID ROD SO AS TO HAVE AN AREA OF CONTACT WITH SAID SURFACE PORTIONS WHICH EXCEEDS THE AREA OF SAID INNER SURFACE OF SAID PIPE, WHEREBY BURNING OF SAID TORCH IS ENHANCED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |