US3156976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite metal products
Assignee: Texas Instruments Inc
•
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
2026-10-22 21:37
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
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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 |