US3472689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor deposition of silicon-nitrogen insulating coatings
Assignee: RCA Corp
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Filing: 1967-01-19
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Granted: 1969-10-14
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Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Scott Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:06
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/60; H10P14/69; H10P14/694; H10P14/6943; H10P14/69433; C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/34; C23C16/345; H10P14/63; H10P14/6326; H10P14/6328; H10P14/6334; H10P14/66; H10P14/668; H10P14/6681; H10P14/6682; H10P95/00; H10W; H10W74/00; H10W74/40; Y; Y10; Y10S; Y10S148/00; Y10S148/043; Y10S148/051; Y10S148/053; Y10S148/113; Y10S148/114; Y10S148/125
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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |