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US2768271A
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Titanium heliarc brazing process
Assignee: North American Aviation Corp
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Filing: 1953-10-22
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Granted: 1956-10-23
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Expires: 1973-10-22
Abstract
No abstract record available.
Inventors
- 👤 Harlan L Meredith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:13
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/001; B23K35/005; B23K1/00; B23K1/0008; B23K1/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS OF JOINING TITANIUM-TO-TITANIUM COMPRISING THE STEPS OF CLEANING THE SURFACES TO BE JOINED, INERT GASEOUS ARC BRAZING AN OVERLAY OF A NON-FERROUS SOLDERABLE METAL COMPATIBLE WITH TITANIUM ON SAID SURFACES, AND SOLDERING SAID BRAZED SURFACES.
Claim 2
Dependent Claim
37 words
A PROCESS OF JOINING TITANIUM-TO-TITANIUM COMPRISING THE STEPS OF CLEANING THE SURFACES TO BE JOINED, INERT GASEOUS ARC BRAZING AN OVERLAY OF A NON-FERROUS SOLDERABLE METAL COMPATIBLE WITH TITANIUM ON SAID SURFACES, AND SOLDERING SAID BRAZED SURFACES.
References Cited (Backward Citations)
GB190426376A
Cited
US1971822A
Cited
US2360160A
Cited
US2516016A
Cited
US2574514A
Cited
US2620422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |