US2715263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for welding metal
Assignee: York Engineering and Construction Co
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Filing: 1954-03-23
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Granted: 1955-08-16
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Expires: 1974-03-23
Abstract
No abstract record available.
Inventors
- 👤 Macgregor James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:54
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/08; B23K11/087; B23K11/0873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS OF WELDING METAL WHICH COMPRISES SURROUNDING THE METAL TO BE WELDED WITH A NON-OXIDIZING MEDIUM, PREPARING NON-OXIDIZED SURFACES ON THE METAL, HEATING THE METAL UP TO WELDING TEMPERATURE, PRESSING THE NON-OXIDIZED SURFACES TOGETHER AND THEREAFTER REMOVING THE METAL FROM THE NON-OXIDIZING MEDIUM.
Claim 2
Dependent Claim
44 words
A PROCESS OF WELDING METAL WHICH COMPRISES SURROUNDING THE METAL TO BE WELDED WITH A NON-OXIDIZING MEDIUM, PREPARING NON-OXIDIZED SURFACES ON THE METAL, HEATING THE METAL UP TO WELDING TEMPERATURE, PRESSING THE NON-OXIDIZED SURFACES TOGETHER AND THEREAFTER REMOVING THE METAL FROM THE NON-OXIDIZING MEDIUM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |