IP Library Granted Patent US 5,103,021
Granted Patent Utility
US 5,103,021 · App. 07/080,503

Acetaminophen analogs, antigens, and antibodies

Inventor: Pyare Khanna
Patented Case View Patent ↗
Granted: Apr 7, 1992 Filed: Jul 30, 1987
Inventor
Pyare Khanna
Assignee (at issue)
Syntex (U.S.A.) LLC

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 5,103,021
App. No.
07/080,503
Filed
1987-07-30
Granted
1992-04-07
Kind
A