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US2776384A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable timing apparatus

Assignee: Farr Co
•
Filing: 1952-12-05
•
Granted: 1957-01-01
•
Expires: 1972-12-05
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Abstract

No abstract record available.

Inventors

  • 👤 Richard H Long

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:04
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2231569A Cited
US2577155A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-01 1960-07-02 1961-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-01 1964-07-02 1965-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-01 1968-07-02 1969-01-01 $7700.00 Window Closed / Lapsed

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