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US2806756A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording apparatus

Assignee: Consolidated Electrodynamics Corp
•
Filing: 1952-01-28
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Granted: 1957-09-17
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Expires: 1972-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Werff Jacob V Van Der

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 01:44
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1825551A Cited
US1954955A Cited
US2303472A Cited
US2606807A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-16 1961-03-18 1961-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-16 1965-03-18 1965-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-16 1969-03-18 1969-09-17 $7700.00 Window Closed / Lapsed

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