IP Library › Granted Patent US 6,796,681
Granted Patent Utility
US 6,796,681 · App. 10/314,524

Light string with light bulbs alternately connected in series so as to form two circuits

Inventor: Ben Fan
Patented Case View Patent ↗
Granted: Sep 28, 2004 Filed: Dec 9, 2002
Inventor
Ben Fan

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 6,796,681
App. No.
10/314,524
Filed
2002-12-09
Granted
2004-09-28
Kind
B2