IP Library Granted Patent US 4,723,219
Granted Patent Utility
US 4,723,219 · App. 06/747,809

Programmed path for automatic tool retraction and return responsive to degradation threshold

Inventors: Peter J. Beyer, Timothy F. Murphy, Donald W. Heckel
Patented Case View Patent ↗
Granted: Feb 2, 1988 Filed: Jun 21, 1985
Inventors
Peter J. Beyer
Timothy F. Murphy
Donald W. Heckel
Assignee (at issue)
AMCA International 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 4,723,219
App. No.
06/747,809
Filed
1985-06-21
Granted
1988-02-02
Kind
A