US3391024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing improved cryogenic circuits
Assignee: Texas Instruments Inc
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Filing: 1964-11-16
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Granted: 1968-07-02
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Joe T Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:11
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/02; C23C14/024; C23C14/025; H; H10; H10N; H10N60/00; H10N60/01; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S428/9335; Y10S428/938; Y10S505/00; Y10S505/80; Y10S505/815; Y10S505/818; Y10S505/819
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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |