US2532103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for thermochemically scarfing billets and the like
Assignee: Airco Inc
•
Filing: 1947-04-17
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Granted: 1950-11-28
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Expires: 1967-04-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Kiernan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:30
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/06; Y; Y10; Y10S; Y10S239/00; Y10S239/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF SCARFING METAL BODIES WHICH COMPRISES PROJECTING FLAME JETS AGAINST THE SURFACE OF THE WORK TO HEAT THE SURFACE METAL TO KINDLING TEMPERATURE, DISCHARGING OXYGEN FROM A ROW OF DISCHARGE ORIFICES TO PRODUCE A ROW OF INDIVIDUAL OXYGEN JETS AND DIRECTING SAID OXYGEN JETS TOWARD THE SURFACE OF THE WORK WHILE THE SURFACE METAL IS AT KINDLING TEMPERATURE, AND IN ADDITION TO ANY ACTION WHICH THE FLAME JETS MAY HAVE ON THE OXYGEN JETS BAFFLING THE OXYGEN JETS AFTER THE OXYGEN FORMING THEM LEAVES THE DISCHARGE ORIFICES AND BEFORE THE OXYGEN JETS IMPINGE ON THE SURFACE OF THE WORK TO MINGLE THE OXYGEN JETS INTO A MORE SHEET-LIKE FORM.
Claim 2
Independent Claim
111 words
THE METHOD OF SCARFING METAL BODIES WHICH COMPRISES PROJECTING FLAME JETS AGAINST THE SURFACE OF THE WORK TO HEAT THE SURFACE METAL TO KINDLING TEMPERATURE, DISCHARGING OXYGEN FROM A ROW OF DISCHARGE ORIFICES TO PRODUCE A ROW OF INDIVIDUAL OXYGEN JETS AND DIRECTING SAID OXYGEN JETS TOWARD THE SURFACE OF THE WORK WHILE THE SURFACE METAL IS AT KINDLING TEMPERATURE, AND IN ADDITION TO ANY ACTION WHICH THE FLAME JETS MAY HAVE ON THE OXYGEN JETS BAFFLING THE OXYGEN JETS AFTER THE OXYGEN FORMING THEM LEAVES THE DISCHARGE ORIFICES AND BEFORE THE OXYGEN JETS IMPINGE ON THE SURFACE OF THE WORK TO MINGLE THE OXYGEN JETS INTO A MORE SHEET-LIKE FORM.
References Cited (Backward Citations)
US1676564A
Cited
US2058388A
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US2356196A
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US2347758A
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US2290295A
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US2356197A
Cited
US2398884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |