search forSigma Chemical Company

Region
Status
goods and services
Class(es)
USPTO
20
09/06/1968
02/03/1970
-
EXPIRED
USPTO
35
11/28/1989
10/08/1991
-
CANCELLED - SECTION 8
USPTO
35
11/28/1989
10/08/1991
-
CANCELLED - SECTION 8
USPTO
16
10/30/1989
06/19/1990
-
CANCELLED - SECTION 8
USPTO
16
10/30/1989
06/19/1990
-
CANCELLED - SECTION 8
USPTO
1
03/17/1981
03/15/1983
-
CANCELLED - SECTION 8
USPTO
1
03/17/1981
03/15/1983
-
CANCELLED - SECTION 8
USPTO
1
07/07/1966
04/11/1967
-
EXPIRED
USPTO
1
07/07/1966
04/11/1967
-
EXPIRED
USPTO
1
05/21/1971
08/01/1972
-
EXPIRED

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USPTO
1
05/21/1971
08/01/1972
-
EXPIRED
USPTO
1
10/15/1979
07/14/1981
-
CANCELLED - SECTION 8
USPTO
1
10/15/1979
07/14/1981
-
CANCELLED - SECTION 8

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