US3459668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor method and apparatus
Assignee: Honeywell Inc
•
Filing: 1965-05-21
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Granted: 1969-08-05
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Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Francis M Schmit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:44
CPC Classifications
H; H10; H10P; H10P32/00; H10P32/10; H10P32/12; C; C30; C30B; C30B29/00; C30B29/02; C30B29/06; C30B31/00; C30B31/06; C30B31/08; C30B31/16; C30B31/165; H10P32/17; H10P32/171; Y; Y10; Y10S; Y10S252/00; Y10S252/95; Y10S252/951
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) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |