IP Library Granted Patent US 6,820,535
Granted Patent Utility
US 6,820,535 · App. 10/473,398

Espresso brewing device

Inventor: Daniel Fischer
Patented Case View Patent ↗
Granted: Nov 23, 2004 Filed: Sep 30, 2003
Inventor
Daniel Fischer
Assignee (at issue)
NESTEC S.A.

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 6,820,535
App. No.
10/473,398
Filed
2003-09-30
Granted
2004-11-23
Kind
B2