US3526880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent electro-optical memory system using light conducting rods or fibers
Assignee: Olivetti General Electric SpA
•
Filing: 1967-10-23
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Granted: 1970-09-01
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Franco Filippazzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/048; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/28; G02B6/2804; G02B6/2852; G02B6/42; G02B6/4201; G02B6/4204; G02B6/4219; G02B6/4236; G02B6/424; G02B6/4287; G02B6/429
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3360657A
Cited
US3432675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |