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US3036491A Expired / Lapsed US ⏱️ 0.0 years remaining

Optical arrangement for inspecting bodies of revolution

Assignee: Individual
•
Filing: 1958-08-20
•
Granted: 1962-05-29
•
Expires: 1978-08-20
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Abstract

No abstract record available.

Inventors

  • 👤 Schier Hans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:56
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/95; G01N21/951

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR692916A Cited
GB642456A Cited
US2691306A Cited
US2823301A Cited
US2857800A Cited
DE1021173B Cited
US2895373A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-28 1965-11-27 1966-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-28 1969-11-27 1970-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-28 1973-11-27 1974-05-29 $7700.00 Window Closed / Lapsed

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