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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
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Abstract

No abstract record available.

Inventors

  • 👤 Franco Filippazzi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:13
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

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