IP Library › Granted Patent US 4,490,459
Granted Patent Utility
US 4,490,459 · App. 06/493,770

Multi-layered color photo-sensitive material

Inventors: Toshifumi Iijima, Kaoru Onodera, Wataru Fujimatsu
Patented Case View Patent ↗
Granted: Dec 25, 1984 Filed: May 12, 1983
Inventors
Toshifumi Iijima
Kaoru Onodera
Wataru Fujimatsu
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,490,459
App. No.
06/493,770
Filed
1983-05-12
Granted
1984-12-25
Kind
A