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US2745188A Expired / Lapsed US ⏱️ 0.0 years remaining

Gauging devices for checking dimensions and investigating the contour or profile of surfaces

Assignee: TOLIMIT GAUGES Ltd
•
Filing: 1952-03-12
•
Granted: 1956-05-15
•
Expires: 1972-03-12
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Abstract

No abstract record available.

Inventors

  • 👤 Wills Sydney Arthur
  • 👤 Gathercole Evan Frederic James

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:06
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1395231A Cited
US1423339A Cited
US2027217A Cited
US2465182A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-15 1959-11-14 1960-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-15 1963-11-14 1964-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-15 1967-11-14 1968-05-15 $7700.00 Window Closed / Lapsed

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