IP Library › Granted Patent US 5,600,905
Granted Patent Utility
US 5,600,905 · App. 08/384,703

Dragline with improved pinion shaft mounting

Inventors: Harvey J. Kallenberger, John P. Mahoney
Patented Case View Patent ↗
Granted: Feb 11, 1997 Filed: Feb 3, 1995
Inventors
Harvey J. Kallenberger
John P. Mahoney
Assignee (at issue)
Harnischfeger Corporation

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 5,600,905
App. No.
08/384,703
Filed
1995-02-03
Granted
1997-02-11
Kind
A