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US2495495A Expired / Lapsed US ⏱️ 0.0 years remaining

Drummer's practice device

Assignee: Individual
•
Filing: 1946-04-26
•
Granted: 1950-01-24
•
Expires: 1966-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Adler Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:57
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/03

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1691212A Cited
US1063821A Cited
US1688561A Cited
US2016115A Cited
CH194781A Cited
US2326305A Cited
US2338816A Cited
US2390945A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-01-23 1953-07-25 1954-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-01-23 1957-07-25 1958-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-01-23 1961-07-25 1962-01-24 $7700.00 Window Closed / Lapsed

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