IP Library › Granted Patent US 6,579,613
Granted Patent Utility
US 6,579,613 · App. 09/684,432

Recording medium with limited using period

Inventors: Hiroyuki Uwazumi, Teruhisa Yokosawa
Patented Case View Patent ↗
Granted: Jun 17, 2003 Filed: Oct 10, 2000
Inventors
Hiroyuki Uwazumi
Teruhisa Yokosawa
Assignee (at issue)
FUJI ELECTRIC 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 6,579,613
App. No.
09/684,432
Filed
2000-10-10
Granted
2003-06-17
Kind
B1