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US2962633A Expired / Lapsed US ⏱️ 0.0 years remaining

Dual push button control system

Assignee: Dictaphone Corp
•
Filing: 1955-06-24
•
Granted: 1960-11-29
•
Expires: 1975-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Henry L Raymond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:18
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/18; F16P3/20; Y; Y10; Y10S; Y10S83/00; Y10S83/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2067413A Cited
DE727772C Cited
US2322560A Cited
US2465794A Cited
US2579595A Cited
US2669686A Cited
US2541577A Cited
US2705297A Cited
US2753493A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-11-29 1964-05-30 1964-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-11-29 1968-05-30 1968-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-11-29 1972-05-30 1972-11-29 $7700.00 Window Closed / Lapsed

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