Publicação do pedido de patente
#3.1
08/30/1988
RPI 932
Application data
Number
PI8700671Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
Houston Industries Incorporated
US
Inventors
C. T. (pessoa física)
US
D. W. (pessoa física)
US
R. M. (pessoa física)
US
R. F. (pessoa física)
US
V. M. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/30/1988
RPI 932
#2.1
06/09/1987
RPI 868
#21.1
Patente extinta em 13/02/2002
07/29/2008
RPI 1960
#16.1
11/30/1993
RPI 1200
#9.1
06/15/1993
RPI 1176
#6.1
10/27/1992
RPI 1143
#4.1
08/21/1990
RPI 1029
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