US3426423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing semiconductors
Assignee: Molectro Corp
•
Filing: 1965-07-08
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Granted: 1969-02-11
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Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Robert L Koch
- 👤 Earl F Thomas
- 👤 Joseph A Miklos
- 👤 William H Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:38
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0478; H05; H05K; H05K13/00; H05K13/003; H10P72/0444; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49121
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |