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US2622883A Expired / Lapsed US ⏱️ 0.0 years remaining

Sound-reproducing apparatus

Assignee: WATCH TOWER BIBLE AND TRACT SO
•
Filing: 1945-06-16
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Granted: 1952-12-23
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Expires: 1965-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Jr John G Kurzen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:54
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1308556A Cited
US1325209A Cited
US639452A Cited
US959238A Cited
US1117143A Cited
US1282916A Cited
US1414803A Cited
US1430780A Cited
US1984637A Cited
US1811410A Cited
US1883942A Cited
US2219230A Cited
GB588675A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-12-23 1956-06-23 1956-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-12-23 1960-06-23 1960-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-12-23 1964-06-23 1964-12-23 $7700.00 Window Closed / Lapsed

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