Patent US3485666A successfully refreshed from Google Patents.
US3485666A
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Method of forming a silicon nitride coating
Assignee: International Standard Electric Corp
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Filing: 1965-05-03
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Granted: 1969-12-23
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Henley Frank Sterling
- 👤 Richard Charles George Swann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:54
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/84; C; C03; C03C; C03C17/00; C04; C04B; C04B41/00; C04B41/45; C04B41/4505; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/32; C23C16/00; C23C16/22; C23C16/24; C23C16/30; C23C16/305; C23C16/34; C23C16/345; C23C16/40; C23C16/401; C23C16/402; C23C16/44; C23C16/50; C23C16/505; C23C16/507; C23C16/54; C23C16/545; D; D06; D06Q; D06Q1/00; D06Q1/04; H01; H01B; H01B1/00; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32082; H01J37/321; H01J37/32431; H01J37/32733; H01J37/32752; H01J37/32761; H01J37/3277; H01J37/34; H10F; H10F77/00; H10F77/30; H10F77/306; H10F99/00; H10P; H10P14/00; H10P14/20; H10P14/24; H10P14/29; H10P14/2901; H10P14/2902; H10P14/2905; H10P14/2921; H10P14/2922; H10P14/34; H10P14/3402; H10P14/3404; H10P14/3408; H10P14/3411; H10P14/60; H10P14/66; H10P14/668; H10P14/6681; H10P14/6682; H10P14/69; H10P14/6903; H10P14/6905; H10P14/692; H10P14/6921; H10P14/69215; H10P95/00; H10W; H10W74/00; H10W74/40; H10W74/43; H10W74/47; H01J2237/00; H01J2237/32; H01J2237/33; H01J2237/332; H01J2237/3321; H10P14/63; H10P14/6326; H10P14/6328; H10P14/6334; H10P14/6336; H10P14/694; H10P14/6943; H10P14/69433; Y; Y10; Y10S; Y10S148/00; Y10S148/043; Y10S148/056; Y10S148/114; Y10S148/118; Y10S148/148; Y10S148/158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2960594A
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US3049488A
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US3108900A
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US3246114A
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US3275408A
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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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |