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US2663609A Expired / Lapsed US ⏱️ 0.0 years remaining

Speed recorder

Assignee: Individual
•
Filing: 1948-07-09
•
Granted: 1953-12-22
•
Expires: 1968-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin P Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:59
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/12; G01P1/122

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1385342A Cited
US982021A Cited
US1259399A Cited
US1347676A Cited
US1492559A Cited
US1594584A Cited
US1564634A Cited
US1973354A Cited
US2341118A Cited
US2412639A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-12-21 1957-06-22 1957-12-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-12-21 1961-06-22 1961-12-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-12-21 1965-06-22 1965-12-22 $7700.00 Window Closed / Lapsed

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