IP Library Granted Patent US 5,456,522
Granted Patent Utility
US 5,456,522 · App. 08/323,481

Concave cutter bit

Inventor: Wayne H. Beach
Patented Case View Patent ↗
Granted: Oct 10, 1995 Filed: Oct 14, 1991
Inventor
Wayne H. Beach
Assignee (at issue)
KENNAMETAL 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 5,456,522
App. No.
08/323,481
Filed
1991-10-14
Granted
1995-10-10
Kind
A