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US2763931A Expired / Lapsed US ⏱️ 0.0 years remaining

Track lining scope

Assignee: Individual
•
Filing: 1953-03-06
•
Granted: 1956-09-25
•
Expires: 1973-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 John L Mcmillan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 06:17
CPC Classifications
G; G01; G01C; G01C1/00; G01C1/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US420245A Cited
US979531A Cited
US1199059A Cited
DE417788C Cited
US2093949A Cited
FR840496A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-09-25 1960-03-26 1960-09-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-09-25 1964-03-26 1964-09-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-09-25 1968-03-26 1968-09-25 $7700.00 Window Closed / Lapsed

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