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US3501330A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of electrophotographic materials

Assignee: Agfa Gevaert NV
•
Filing: 1965-10-22
•
Granted: 1970-03-17
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Expires: 1985-10-22
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Abstract

No abstract record available.

Inventors

  • 👤 Paul Maria Cassiers
  • 👤 Felix Frederick De Smedt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 06:20
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0525; B; B32; B32B; B32B27/00; H; H01; H01B; H01B1/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2314453A Cited
US3052540A Cited
US2952559A Cited
FR1202421A Cited
US3251686A Cited
US3300304A Cited
US3251687A Cited
US3287121A Cited
US3206323A Cited
US3345161A Cited
US3341472A Cited
US3346381A 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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