IP Library Granted Patent US 4,604,969
Granted Patent Utility
US 4,604,969 · App. 06/745,201

Milking inflation including air vent

Inventor: Leigh R. Larson
Patented Case View Patent ↗
Granted: Aug 12, 1986 Filed: Jun 17, 1985
Inventor
Leigh R. Larson

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 4,604,969
App. No.
06/745,201
Filed
1985-06-17
Granted
1986-08-12
Kind
A