IP Library › Granted Patent US 5,799,814
Granted Patent Utility
US 5,799,814 · App. 08/689,142

Drink-through lid for container

Inventors: Robert J. Schaefer, William B. Pendergrass
Patented Case View Patent ↗
Granted: Sep 1, 1998 Filed: Jul 30, 1996
Inventors
Robert J. Schaefer
William B. Pendergrass
Assignee (at issue)
Sweetheart Cup Company 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 5,799,814
App. No.
08/689,142
Filed
1996-07-30
Granted
1998-09-01
Kind
A