US3501342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductors having selectively formed conductive or metallic portions and methods of making same
Assignee: Texas Instruments Inc
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Filing: 1965-02-26
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Granted: 1970-03-17
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Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Rolf R Haberecht
- 👤 Thomas H Ramsey Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
H; H10; H10W; H10W20/00; H10W20/01; H10W20/021; H10W20/023; H10W20/20; Y; Y10; Y10S; Y10S148/00; Y10S148/023; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |