IP Library › Granted Patent US 5,833,087
Granted Patent Utility
US 5,833,087 · App. 08/331,020

Button-type tamper indicating metal closure

Inventor: Anthony J. Pfeiffer
Patented Case View Patent ↗
Granted: Nov 10, 1998 Filed: Oct 28, 1994
Inventor
Anthony J. Pfeiffer
Assignee (at issue)
White Cap, Inc.

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 5,833,087
App. No.
08/331,020
Filed
1994-10-28
Granted
1998-11-10
Kind
A