US3488636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optically programmable read only memory
Assignee: Fairchild Semiconductor Corp
•
Filing: 1966-08-22
•
Granted: 1970-01-06
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Rudolph H Dyck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:40
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/047; G11C13/048; G11C17/00; H; H10; H10B; H10B20/00; H10B20/20; Y; Y10; Y10S; Y10S257/00; Y10S257/926
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3201764A
Cited
US3218613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |