IP Library Granted Patent US 4,804,680
Granted Patent Utility
US 4,804,680 · App. 07/076,427

Polycyclic ether antibiotic

Inventors: Alexander C. Goudie, Nigel Derek Arthur Walshe
Patented Case View Patent ↗
Granted: Feb 14, 1989 Filed: Jul 21, 1987
Inventors
Alexander C. Goudie
Nigel Derek Arthur Walshe
Assignee (at issue)
Pfizer 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 4,804,680
App. No.
07/076,427
Filed
1987-07-21
Granted
1989-02-14
Kind
A