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US2693033A Expired / Lapsed US ⏱️ 0.0 years remaining

Instrument for checking the distance between holes of different diameters

Assignee: Individual
•
Filing: 1950-12-05
•
Granted: 1954-11-02
•
Expires: 1970-12-05
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Hobart William Acker
  • 👤 Cavala Anthony Joseph
  • 👤 Eugene A Fuess
  • 👤 Schreiner Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:54
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/14; G01B5/143

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1321312A Cited
US1166512A Cited
US1210963A Cited
US1225265A Cited
US2178293A Cited
US2309809A Cited
US2471193A Cited
US2470458A Cited
US2462545A Cited
US2537473A Cited
US2542561A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-11-01 1958-05-03 1958-11-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-11-01 1962-05-03 1962-11-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-11-01 1966-05-03 1966-11-02 $7700.00 Window Closed / Lapsed

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