US3018423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device
Assignee: Westinghouse Electric Corp
•
Filing: 1960-05-16
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Granted: 1962-01-23
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Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Melvin W Aarons
- 👤 John W Dzimianski
- 👤 John M Bentley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:24
CPC Classifications
H; H10; H10D; H10D10/00; H10D48/00; H10D48/30; H10D48/32; H10D62/00; H10D62/10; H10D62/128; H10D62/129; H10D62/60; H10D62/80; H10D62/83; H10D62/834; H10D8/00; H10D8/70; H10D84/00; H10D84/60; H10D84/645; H10D99/00; H10P; H10P95/00; H10P95/50; Y; Y10; Y10S; Y10S438/00; Y10S438/979
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2810870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |