Patent US3156976A successfully refreshed from Google Patents.
US3156976A
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US
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Method of making composite metal products
Assignee: Texas Instruments Inc
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Filing: 1961-03-17
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Granted: 1964-11-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Kempton A Whiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:35
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
THE METHOD OF MAKING A COMPOSITE METAL PRODUCT COMPRISING THE STEPS OF PROVIDING THREE CLEAN METAL COMPONETS RESPECTIVELY OF PLATINUM, COPPER AND ONE SELECTED FROM THE GROUP CONSISTING OF TANTALUM AND NIOVIUM; ASSEMBLING SAID COMPONENTS SO THAT SAID PLATINUM AND BETWEEN; METALLURGICALLY BONDING SAID ASSEMBLED COMPONENTS TOGETHER TO PROVIDE A BONDED COMPOSITE ASSEMBLY; FORMING SAID BONDED ASSEMBLY INTO A TUBULAR SHELL WITH SAID PLATINUM COMPONENT DISPOSED EXTERIORLY AND
References Cited (Backward Citations)
US1956818A
Cited
US2120496A
Cited
US2471663A
Cited
US2924877A
Cited
US2687565A
Cited
US3042428A
Cited
US2908966A
Cited
US3096577A
Cited
US2945293A
Cited
US2994125A
Cited
US3001268A
Cited
US3070880A
Cited
US3020454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |