US3535775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation of small semiconductor structures
Assignee: General Electric Co
•
Filing: 1967-12-18
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Granted: 1970-10-27
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Marvin Garfinkel
- 👤 William E Engeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:38
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/01; H10P; H10P95/00; H10W74/40; H10W74/43; Y; Y10; Y10S; Y10S148/00; Y10S148/026; Y10S148/043; Y10S148/051; Y10S148/106; Y10S148/165; Y10S438/00; Y10S438/942; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49139; Y10T29/49204; Y10T29/49208; Y10T29/4921; Y10T29/4981
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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |