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US3437747A Expired / Lapsed US ⏱️ 0.0 years remaining

Devices for inspection using fiberoptic members

Assignee: UNITED JEWISH APPEAL OF GREATER NEW YORK
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Filing: 1964-03-24
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Granted: 1969-04-08
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Expires: 1984-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Edward Emanuel Sheldon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:30
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/04; A61B1/05; C; C03; C03C; C03C13/00; C03C13/04; G; G01; G01M; G01M3/00; G01M3/005; G01M3/38; G02; G02B; G02B23/00; G02B23/24; G02B23/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1848814A Cited
US1751584A Cited
US2354591A Cited
US2632801A Cited
US2877368A Cited
US3021834A Cited
US3205390A Cited
US3279460A Cited
US3305690A Cited
US3190286A Cited
US3265892A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-07 1972-10-07 1973-04-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-07 1976-10-07 1977-04-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-07 1980-10-07 1981-04-08 $7700.00 Window Closed / Lapsed

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