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US3486006A Expired / Lapsed US ⏱️ 0.0 years remaining

Coded ink recording and reading

Assignee: Wyeth Holdings LLC
•
Filing: 1966-02-09
•
Granted: 1969-12-23
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Expires: 1986-02-09
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Abstract

No abstract record available.

Inventors

  • 👤 Lester Aaron Siegel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:56
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64; G01N21/6447; B; B41; B41J; B41J31/00; B41J31/05; C; C09; C09D; C09D11/00; C09D11/50; C09D5/00; C09D5/22; C09K; C09K11/00; C09K11/08; C09K11/74; C09K11/77; C09K11/7766; C09K11/7767; C09K11/7769; C09K11/7776; G06; G06K; G06K1/00; G06K1/12; G06K1/121; G06K1/123; G06K19/00; G06K19/02; G06K19/06; G06K19/08; G06K7/00; G06K7/10; G06K7/12; G11; G11B; G11B7/00; G11B7/002; G11B7/003; G01N2021/6417; G01N2021/6421; G06K2019/06215; G06K2019/06225; Y; Y02; Y02B; Y02B20/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US855559A Cited
US1864088A Cited
US2784392A Cited
US2951121A Cited
US2788879A Cited
US3145291A Cited
US3180988A Cited
US3143200A Cited
US3367910A Cited
US3377292A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-22 1973-06-23 1973-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-22 1977-06-23 1977-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-22 1981-06-23 1981-12-23 $7700.00 Window Closed / Lapsed

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