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US3501698A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for testing circuits on circuit boards for continuity including the use of electrosensitive paper responsive to current flow throuh the circuits

Assignee: Bendix Corp
•
Filing: 1967-08-25
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Granted: 1970-03-17
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Expires: 1987-08-25
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Abstract

No abstract record available.

Inventors

  • 👤 Donald C Becknell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:54
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/28; G01R31/2801; G01R31/2805

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2642481A Cited
US2710786A Cited
US3074067A Cited
US2981585A Cited
US3156866A Cited
US3393362A Cited
US3414814A Cited
US3396335A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-03-16 1973-09-15 1974-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-16 1977-09-15 1978-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-16 1981-09-15 1982-03-17 $7700.00 Window Closed / Lapsed

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