IP Library Granted Patent US 5,009,640
Granted Patent Utility
US 5,009,640 · App. 07/300,278

Slip cap for cannula use

Inventors: Thomas Walter Pyret, James L. Gallagher
Patented Case View Patent ↗
Granted: Apr 23, 1991 Filed: Jan 19, 1989
Inventors
Thomas Walter Pyret
James L. Gallagher
Assignee (at issue)
The Upjohn Co.

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 5,009,640
App. No.
07/300,278
Filed
1989-01-19
Granted
1991-04-23
Kind
A