Pedido de patente depositado
#2.1
11/21/1989
RPI 996
Application data
Number
PI8903531Type
Filing
Publication
The letters patent expired on 12/22/2009: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
South Carolina Systems, Inc.
US
Ucar Carbon Company Inc.
US
Union Carbide Chemicals and Plastics Company Inc.
US
U. C. (pessoa física)
US
Inventors
A. S. (pessoa física)
US
F. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/21/1989
RPI 996
#21.1
Patente extinta em 18/07/2004
12/22/2009
RPI 2033
#25.1
Transferido de: Ucar Carbon Company Inc.
04/06/2004
RPI 1735
#20.1
10/10/1995
RPI 1297
#16.1
05/31/1994
RPI 1226
10/26/1993
RPI 1195
#9.1
07/27/1993
RPI 1182
05/12/1992
RPI 1119
#4.1
03/31/1992
RPI 1113
#3.1
01/29/1991
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