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US2951387A Expired / Lapsed US ⏱️ 0.0 years remaining

Drive mechanism

Assignee: Sunoco Inc
•
Filing: 1957-12-16
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Granted: 1960-09-06
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Expires: 1977-12-16
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Abstract

No abstract record available.

Inventors

  • 👤 William H Cox

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:41
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/50; G11B15/26; G11B15/44

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2803968A Cited
DE234068C Cited
DE306008C Cited
US750009A Cited
DE305292C Cited
US831685A Cited
US982789A Cited
US2167641A Cited
US2204887A Cited
US2441693A Cited
US2573506A Cited
US2626528A Cited
US2679782A Cited
GB776310A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-09-06 1964-03-07 1964-09-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-09-06 1968-03-07 1968-09-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-09-06 1972-03-07 1972-09-06 $7700.00 Window Closed / Lapsed

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