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US2776838A Expired / Lapsed US ⏱️ 0.0 years remaining

Phonograph record disk with speed control ring

Assignee: Individual
•
Filing: 1952-12-09
•
Granted: 1957-01-08
•
Expires: 1972-12-09
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Abstract

No abstract record available.

Inventors

  • 👤 Herman H Mueller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:42
CPC Classifications
G; G11; G11B; G11B19/00; G11B19/20; G11B19/26; G11B19/265; G11B3/00; G11B3/02; G10; G10H; G10H2210/00; G10H2210/155; G10H2210/195; G10H2210/241; G11B2220/00; G11B2220/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1307020A Cited
DE469666C Cited
US946563A Cited
US1017834A Cited
US1126377A Cited
US1544010A Cited
US1804453A Cited
US1755743A Cited
AT124508B Cited
US2113401A Cited
US2673089A Cited
US2646284A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-08 1960-07-09 1961-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-08 1964-07-09 1965-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-08 1968-07-09 1969-01-08 $7700.00 Window Closed / Lapsed

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