IP Library › Granted Patent US 4,419,154
Granted Patent Utility
US 4,419,154 · App. 06/264,280

Delay composition for detonators

Inventors: Alan L. Davitt, Kenneth A. Yuill
Patented Case View Patent ↗
Granted: Dec 6, 1983 Filed: May 18, 1981
Inventors
Alan L. Davitt
Kenneth A. Yuill
Assignee (at issue)
CXA LTD./CXA LTEE

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 4,419,154
App. No.
06/264,280
Filed
1981-05-18
Granted
1983-12-06
Kind
A