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US2868546A Expired / Lapsed US ⏱️ 0.0 years remaining

Turntable post friction finger

Assignee: GTE Sylvania Inc
•
Filing: 1953-04-29
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Granted: 1959-01-13
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Expires: 1973-04-29
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Abstract

No abstract record available.

Inventors

  • 👤 Richard L Roof

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:07
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1438000A Cited
US1931487A Cited
US2293212A Cited
US2643129A Cited
US2634135A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-01-12 1962-07-14 1963-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-01-12 1966-07-14 1967-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-01-12 1970-07-14 1971-01-13 $7700.00 Window Closed / Lapsed

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