US3540926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitride insulating films deposited by reactive evaporation
Assignee: General Electric Co
•
Filing: 1968-10-09
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Granted: 1970-11-17
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Expires: 1988-10-09
Abstract
No abstract record available.
Inventors
- 👤 John R Rairden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:44
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/025; C; C23; C23C; C23C14/00; C23C14/0021; H10; H10W; H10W74/00; H10W74/40; H10W74/43; Y; Y10; Y10S; Y10S148/00; Y10S148/043; Y10S148/065; Y10S148/112; Y10S148/113; Y10S148/169; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3095527A
Cited
US3368919A
Cited
US3492153A
Cited
US3429020A
Cited
US3413090A
Cited
US3419761A
Cited
US3449092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |