IP Library Granted Patent US 4,082,224
Granted Patent Utility
US 4,082,224 · App. 05/730,492

Fuel injection nozzle

Inventor: Ervin E. Mangus
Patented Case View Patent ↗
Granted: Apr 4, 1978 Filed: Oct 7, 1976
Inventor
Ervin E. Mangus
Assignee (at issue)
Caterpillar Tractor 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 4,082,224
App. No.
05/730,492
Filed
1976-10-07
Granted
1978-04-04
Kind
A