US3373051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of halogens and hydrogen halides in insulating oxide and nitride deposits
Assignee: Westinghouse Electric Corp
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Filing: 1967-03-16
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Granted: 1968-03-12
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Expires: 1987-03-16
Abstract
No abstract record available.
Inventors
- 👤 Tiag L Chu
- 👤 Harold F John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:40
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/34; C23C16/40; C23C16/403; C23C16/405; H10W74/43; Y; Y10; Y10S; Y10S148/00; Y10S148/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |