Publicação do pedido de patente
#3.1
01/05/1988
RPI 898
Application data
Number
PI8701667Type
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: 01/05/1988. We update with every new RPI gazette, published weekly.
Applicants
Duracell International Inc
US
Inventors
C. T. (pessoa física)
US
W. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/05/1988
RPI 898
#2.1
07/28/1987
RPI 875
#21.1
Patente extinta em 08/04/2002
07/29/2008
RPI 1960
#16.1
11/28/1995
RPI 1304
#13.1
08/08/1995
RPI 1288
#9.1
03/07/1995
RPI 1266
#6.1
08/16/1994
RPI 1237
#4.1
08/21/1990
RPI 1029
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