IP Library Granted Patent US 5,597,111
Granted Patent Utility
US 5,597,111 · App. 08/374,613

Corrugated thermoplastic blank for a container

Inventors: Malcolm R. Mackinnon, Ronald Grobler
Patented Case View Patent ↗
Granted: Jan 28, 1997 Filed: May 20, 1995
Inventors
Malcolm R. Mackinnon
Ronald Grobler
Assignee (at issue)
Korpak Limited

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 5,597,111
App. No.
08/374,613
Filed
1995-05-20
Granted
1997-01-28
Kind
A