IP Library Granted Patent US 4,629,669
Granted Patent Utility
US 4,629,669 · App. 06/695,488

Method of forming superimposed color images

Inventors: Hisashi Shoji, Satoshi Haneda, Seiichiro Hiratsuka
Patented Case View Patent ↗
Granted: Dec 16, 1986 Filed: Jan 28, 1985
Inventors
Hisashi Shoji
Satoshi Haneda
Seiichiro Hiratsuka
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 4,629,669
App. No.
06/695,488
Filed
1985-01-28
Granted
1986-12-16
Kind
A