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US2697880A Expired / Lapsed US ⏱️ 0.0 years remaining

Hole center distance gauge

Assignee: Warner & Swasey Res Corp
•
Filing: 1949-08-09
•
Granted: 1954-12-28
•
Expires: 1969-08-09
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Abstract

No abstract record available.

Inventors

  • 👤 William S Tandler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:56
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/14; G01B7/142

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE571751C Cited
US713784A Cited
US992926A Cited
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GB594395A Cited
US2382885A Cited
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US2502775A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-12-27 1958-06-28 1958-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-12-27 1962-06-28 1962-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-12-27 1966-06-28 1966-12-28 $7700.00 Window Closed / Lapsed

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