Publicação do pedido de patente
#3.1
01/10/1989
RPI 951
Application data
Number
PI8802956Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
PT Sub, Inc.
US
W.R. Grace Limited
GB
Inventors
G. C. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/10/1989
RPI 951
#2.1
11/08/1988
RPI 942
#21.1
Patente extinta em 16/06/2003
09/02/2008
RPI 1965
#20.1
12/03/1996
RPI 1357
#16.1
06/28/1994
RPI 1230
#13.1
04/26/1994
RPI 1221
#9.1
12/07/1993
RPI 1201
#4.1
03/05/1991
RPI 1057
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