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US2860880A Expired / Lapsed US ⏱️ 0.0 years remaining

Tone arm vertical compensating mechanism for automatic interlocking dual phonograph record players

Assignee: Individual
•
Filing: 1956-05-25
•
Granted: 1958-11-18
•
Expires: 1976-05-25
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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 2026-11-06 06:34
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/44; G11B3/46; G11B17/00; G11B17/08; G11B17/12; G11B17/16; G11B3/02; G11B3/10; G11B3/12; G11B3/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1700397A Cited
GB419299A Cited
US2175142A Cited
GB611658A Cited
US2597113A Cited
US2628843A Cited
GB643773A Cited
US2506692A Cited
US2661217A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-11-17 1962-05-19 1962-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-11-17 1966-05-19 1966-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-11-17 1970-05-19 1970-11-18 $7700.00 Window Closed / Lapsed

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