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US3483108A
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Method of chemically etching a non-conductive material using an electrolytically controlled mask
Assignee: General Electric Co
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Filing: 1967-05-29
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Granted: 1969-12-09
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Expires: 1987-05-29
Abstract
No abstract record available.
Inventors
- 👤 Donald L Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:04
CPC Classifications
H; H10; H10P; H10P95/00; C; C23; C23F; C23F1/00; C23F1/02; H10P50/00; H10P50/20; H10P50/28; H10P50/282; H10P50/283; H10P50/73; Y; Y10; Y10S; Y10S438/00; Y10S438/942; Y10S438/945; Y10S438/978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2469689A
Cited
US2656496A
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US3245313A
Cited
US3346384A
Cited
US3423262A
Cited
US3405017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |