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US2663210A Expired / Lapsed US ⏱️ 0.0 years remaining

Keyboard steadying device for accordions and similar instruments

Assignee: Individual
•
Filing: 1952-04-10
•
Granted: 1953-12-22
•
Expires: 1972-04-10
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Abstract

No abstract record available.

Inventors

  • 👤 Montenare Anthony

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 08:25
CPC Classifications
G; G10; G10G; G10G5/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1220824A Cited
US1285802A Cited
US1342202A Cited
US1545279A Cited
US1708285A Cited
US1781782A Cited
US1870924A Cited
US2007709A Cited
US2086102A Cited
US2399511A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-12-21 1957-06-22 1957-12-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-12-21 1961-06-22 1961-12-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-12-21 1965-06-22 1965-12-22 $7700.00 Window Closed / Lapsed

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