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US3023657A Expired / Lapsed US ⏱️ 0.0 years remaining

Photoelectric musical instruments and the like

Assignee: BALDWIN PIANO Co
•
Filing: 1955-08-25
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Granted: 1962-03-06
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Expires: 1975-08-25
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Abstract

No abstract record available.

Inventors

  • 👤 Edward M Jones
  • 👤 Love Wesley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:52
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/03; G10H3/06

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-03-05 1965-09-04 1966-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-03-05 1969-09-04 1970-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-03-05 1973-09-04 1974-03-06 $7700.00 Window Closed / Lapsed

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