IP Library › Granted Patent US 4,892,221
Granted Patent Utility
US 4,892,221 · App. 07/280,777

Detachable lid container

Inventors: Paul R. Gora, Edward M. Kaucic
Patented Case View Patent ↗
Granted: Jan 9, 1990 Filed: Dec 6, 1988
Inventors
Paul R. Gora
Edward M. Kaucic
Assignee (at issue)
Menasha Corporation

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 4,892,221
App. No.
07/280,777
Filed
1988-12-06
Granted
1990-01-09
Kind
A