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US2586422A Expired / Lapsed US ⏱️ 0.0 years remaining

Tone arm indexing apparatus

Assignee: Arris Technology Inc
•
Filing: 1946-11-06
•
Granted: 1952-02-19
•
Expires: 1966-11-06
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Abstract

No abstract record available.

Inventors

  • 👤 Berne N Fisher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:16
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/085; G11B3/08503; G11B3/08506; G11B3/08509

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1538667A Cited
US1453966A Cited
US1457354A Cited
US1588389A Cited
US1729224A Cited
GB315379A Cited
US2214509A Cited
US2334649A Cited
CH238176A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-02-18 1955-08-20 1956-02-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-02-18 1959-08-20 1960-02-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-02-18 1963-08-20 1964-02-19 $7700.00 Window Closed / Lapsed

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