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US2545665A Expired / Lapsed US ⏱️ 0.0 years remaining

Musical instrument

Assignee: CENTRAL COMMERCIAL IND Inc
•
Filing: 1949-08-05
•
Granted: 1951-03-20
•
Expires: 1969-08-05
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Abstract

No abstract record available.

Inventors

  • 👤 Merwin J Larsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:18
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/08; Y; Y10; Y10S; Y10S84/00; Y10S84/11

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2233948A Cited
US2227100A Cited
US2203432A Cited
US2403090A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-03-19 1954-09-18 1955-03-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-03-19 1958-09-18 1959-03-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-03-19 1962-09-18 1963-03-20 $7700.00 Window Closed / Lapsed

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