IP Library Granted Patent US 5,280,063
Granted Patent Utility
US 5,280,063 · App. 07/870,314

Room temperature setting carbonaceous cement

Inventors: Irwin C. Lewis, Terrence Pirro, Ronald Greinke, Richard I. Bretz, Dennis J. Kampe
Patented Case View Patent ↗
Granted: Jan 18, 1994 Filed: Apr 17, 1992
Inventors
Irwin C. Lewis
Terrence Pirro
Ronald Greinke
Richard I. Bretz
Dennis J. Kampe
Assignee (at issue)
UCAR Carbon Technology 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 5,280,063
App. No.
07/870,314
Filed
1992-04-17
Granted
1994-01-18
Kind
A