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US3518441A Expired / Lapsed US ⏱️ 0.0 years remaining

Optical gage for measuring the thickness of a continuous web

Assignee: NEOTEC Corp A CORP OF DE
•
Filing: 1968-01-24
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Granted: 1970-06-30
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Expires: 1988-01-24
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Abstract

No abstract record available.

Inventors

  • 👤 Paul J Selgin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:13
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/02; G01B11/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1963128A Cited
US2719235A Cited
US3183764A Cited
US3206606A Cited
US3292484A Cited
US3330961A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-06-29 1973-12-29 1974-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-06-29 1977-12-29 1978-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-06-29 1981-12-29 1982-06-30 $7700.00 Window Closed / Lapsed

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