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US3371324A Expired / Lapsed US ⏱️ 0.0 years remaining

Light-modulating information storage and retrieval system and method

Assignee: Individual
•
Filing: 1964-11-25
•
Granted: 1968-02-27
•
Expires: 1984-11-25
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Abstract

No abstract record available.

Inventors

  • 👤 Sinoto Nori

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 07:02
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04; G11C13/048

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2928075A Cited
US3235631A Cited
US3328563A Cited
US3296594A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-26 1971-08-28 1972-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-26 1975-08-28 1976-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-26 1979-08-28 1980-02-27 $7700.00 Window Closed / Lapsed

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