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US3463930A Expired / Lapsed US ⏱️ 0.0 years remaining

Manually operable photoelectric card reader containing alignment checking apparatus

Assignee: United States Department of the Army
•
Filing: 1966-05-26
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Granted: 1969-08-26
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Expires: 1986-05-26
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Abstract

No abstract record available.

Inventors

  • 👤 Charles Henry West

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 21:04
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/06; G06K7/00; G06K7/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2039832A Cited
US2007391A Cited
US2600817A Cited
US2573405A Cited
US3139519A Cited
US3352981A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-08-25 1973-02-24 1973-08-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-08-25 1977-02-24 1977-08-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-08-25 1981-02-24 1981-08-26 $7700.00 Window Closed / Lapsed

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