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US2566321A Expired / Lapsed US ⏱️ 0.0 years remaining

Sealed measuring head for bore gauges

Assignee: Individual
•
Filing: 1949-02-03
•
Granted: 1951-09-04
•
Expires: 1969-02-03
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Abstract

No abstract record available.

Inventors

  • 👤 Eisele Andrew

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:16
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; G01B5/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1525511A Cited
US1595368A Cited
US1619834A Cited
US2174105A Cited
US2229587A Cited
US2192900A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-09-03 1955-03-05 1955-09-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-09-03 1959-03-05 1959-09-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-09-03 1963-03-05 1963-09-04 $7700.00 Window Closed / Lapsed

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