Patent US3375730A successfully refreshed from Google Patents.
Patent FR1271986A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR1271986A Expired / Lapsed FR ⏱️ 0.0 years remaining

Electrophotographic material

Assignee: Gevaert Photo Producten NV
•
Filing: 1960-02-05
•
Granted: 1961-09-22
•
Expires: 1980-02-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paul Marie Cassiers
  • 👤 Jean Marie Nys
  • 👤 Josef Frans Willems

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-05 17:11
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/64; C07D209/00; C07D209/02; C07D209/04; C07D209/08; C07D209/30; C07D209/32; C07D209/36; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/08; C07D235/18; C07D235/20; C07D263/00; C07D263/02; C07D263/30; C07D263/32; C07D263/52; C07D263/54; C07D263/56; C07D263/57; C07D277/00; C07D277/60; C07D277/62; C07D277/64; C07D277/66; C07D403/00; C07D403/02; C07D403/04; C07D417/00; C07D417/02; C07D417/04; C09; C09B; C09B23/00; C09B23/02; C09B23/10; C09B23/16; C09B23/162; C09B23/164; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0624; G03G5/0627; G03G5/0629; G03G5/0631; G03G5/0644; G03G5/0661; G03G5/0664; G03G5/0666; G03G5/0668

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag