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US2380799A Expired / Lapsed US ⏱️ 0.0 years remaining

Phonograph mechanism

Assignee: Individual
•
Filing: 1944-01-15
•
Granted: 1945-07-31
•
Expires: 1964-01-15
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Abstract

No abstract record available.

Inventors

  • 👤 John J Shively
  • 👤 Harry R Van Deventer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:07
CPC Classifications
G; G11; G11B; G11B33/00; G11B33/02; G11B33/06; G11B31/00; H; H04; H04M; H04M1/00; H04M1/64; H04M1/647

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1948-07-30 1949-01-29 1949-07-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-07-30 1953-01-29 1953-07-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-07-30 1957-01-29 1957-07-31 $7700.00 Window Closed / Lapsed

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