IP Library › Granted Patent US 4,511,233
Granted Patent Utility
US 4,511,233 · App. 06/532,951

Charge control device in a flash device for a camera

Inventors: Kazuyuki Kazami, Yoshiaki Ohtsubo
Patented Case View Patent ↗
Granted: Apr 16, 1985 Filed: Sep 16, 1983
Inventors
Kazuyuki Kazami
Yoshiaki Ohtsubo
Assignee (at issue)
Nippon Kogaku K.K.

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 4,511,233
App. No.
06/532,951
Filed
1983-09-16
Granted
1985-04-16
Kind
A