Patent US3434868A successfully refreshed from Google Patents.
US3434868A
Expired / Lapsed
US
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Silicon dioxide coatings utilizing a plasma
Assignee: General Electric Co
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Filing: 1965-10-14
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Granted: 1969-03-25
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Paul J Jorgensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:16
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/0021; Y; Y10; Y10S; Y10S148/00; Y10S148/118
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |