US3475664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ambient atmosphere isolated semiconductor devices
Assignee: Texas Instruments Inc
•
Filing: 1965-09-02
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Granted: 1969-10-28
•
Expires: 1985-09-02
Abstract
No abstract record available.
Inventors
- 👤 Dale Byron Devries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:17
CPC Classifications
H; H10; H10P; H10P90/00; H10P90/19; H10P90/1904; H10P90/1906; H10W; H10W10/00; H10W10/01; H10W10/061; H10W10/10; H10W10/181; H10W20/00; H10W20/40; H10W10/021; H10W10/20; H10W72/00; H10W72/071; H10W72/073; H10W72/075; H10W72/50; H10W72/531; H10W72/536; H10W72/541; H10W72/5453; H10W72/851; H10W72/874; H10W72/884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |