US3733686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for welding titanium clad steel
Assignee: EIDP Inc
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Filing: 1971-10-27
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Granted: 1973-05-22
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Expires: 1991-10-27
Abstract
Abstract Titanium clad steel parts are welded together by removing the titanium clad from the steel for a sufficient distance to permit welding of the steel without contaminating the titanium, machining into the titanium clad, adjacent to surface from which the titanium clad was removed, a shelf, welding the steel portion with steel to form a steel joint uncovered by titanium the length of the steel weld, applying a titanium strip over said uncovered steel area but not touching the steel area, said titanium strip resting on the titanium shelves of the parts to be welded, and welding said titanium strip to said titanium clad at each side of said strip.
Inventors
- 👤 L Maucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:07
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1934064A
Cited
US2158799A
Cited
US2209290A
Cited
US2177868A
Cited
US2943387A
Cited
US3474344A
Cited
US3629932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |