US2626459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of welding stainless steel
Assignee: Standard Oil Development Co
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Filing: 1950-10-23
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Granted: 1953-01-27
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Expires: 1970-10-23
Abstract
No abstract record available.
Inventors
- 👤 Prentiss S Viles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:34
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38; B23K5/00; B23K5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD OF WELDING A CHROMIUM-NICKEL AUSTENITIC STAINLESS STEEL WHICH INCLUDES THE STEPS OF FORMING A MIXTURE OF A HYDROCARBON GAS SUITABLE FOR WELDING OPERATIONS IN AN AMOUNT IN THE RANGE BETWEEN ABOUT 95% AND 75% BY VOLUME AND HYDROGEN SULFIDE IN AN AMOUNT IN THE RANGE BETWEEN ABOUT 5% AND 25% BY VOLUME, IGNITING SAID MIXTURE TO PRODUCE A FLAME SUFFICIENTLY HOT HEAT ADJACENT BOUNDARIES OF BODIES OF SAID ALLOY TO A FUSION TEMPERATURE, APPLYING SAID FLAME TO ADJACENT BOUNDARIES OF SAID BODIES AND FUSING SAID ADJACENT BOUNDARIES OF SAID BODIES WITH SAID IGNITED MIXTURE.
Claim 2
Independent Claim
96 words
A METHOD OF WELDING A CHROMIUM-NICKEL AUSTENITIC STAINLESS STEEL WHICH INCLUDES THE STEPS OF FORMING A MIXTURE OF A HYDROCARBON GAS SUITABLE FOR WELDING OPERATIONS IN AN AMOUNT IN THE RANGE BETWEEN ABOUT 95% AND 75% BY VOLUME AND HYDROGEN SULFIDE IN AN AMOUNT IN THE RANGE BETWEEN ABOUT 5% AND 25% BY VOLUME, IGNITING SAID MIXTURE TO PRODUCE A FLAME SUFFICIENTLY HOT HEAT ADJACENT BOUNDARIES OF BODIES OF SAID ALLOY TO A FUSION TEMPERATURE, APPLYING SAID FLAME TO ADJACENT BOUNDARIES OF SAID BODIES AND FUSING SAID ADJACENT BOUNDARIES OF SAID BODIES WITH SAID IGNITED MIXTURE.
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) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |