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US2688728A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and arrangement for measuring schedule deviations

Assignee: Leeds and Northrup Co
•
Filing: 1951-05-24
•
Granted: 1954-09-07
•
Expires: 1971-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 James B Carolus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:06
CPC Classifications
G; G01; G01R; G01R11/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2054411A Cited
US2124725A Cited
US2397540A Cited
US2537498A Cited
US2456499A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-09-06 1958-03-08 1958-09-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-09-06 1962-03-08 1962-09-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-09-06 1966-03-08 1966-09-07 $7700.00 Window Closed / Lapsed

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