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US3533701A Expired / Lapsed US ⏱️ 0.0 years remaining

Optical gauge

Assignee: Zavody VI Lenina Plzen np
•
Filing: 1964-09-08
•
Granted: 1970-10-13
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Expires: 1984-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Vaclav Hruby
  • 👤 Miloslav Dittrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 11:47
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/08; G01B11/02; G01V; G01V8/00; G01V8/10; G01V8/12; G01V8/18

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE601843C Cited
GB715631A Cited
US2792448A Cited
US2976362A Cited
US3312140A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-12 1974-04-13 1974-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-12 1978-04-13 1978-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-12 1982-04-13 1982-10-13 $7700.00 Window Closed / Lapsed

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