INPADOC Patent Family US4428535
Publication No. Publication date Filing No. Priority Status
US4428535A 1984-01-31 US28088281A US28088281A 19810706 Expired

INPADOC Legal Status
US4428535A (Expired)
1981-07-06
ASSIGNMENT
Owner Name LIQUID CARBONIC CORPORATION, 135 SOUTH LASALLE ST.
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:VENETUCCI, JIM M.;REEL/FRAME:003900/0140
Effective DATE 19810623
 
1987-06-01
+FEE PAYMENT
Year of Fee Payment 4
 
1991-07-19
+FEE PAYMENT
Year of Fee Payment 8
 
1995-09-05
MAINTENANCE FEE REMINDER MAILED
 
1996-01-28
-LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
 
1996-04-09
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19960131
 



Updated on June 17, 2015