Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
Application data
Number
PI8802036Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
W. A. (pessoa física)
US
Inventors
W. A. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/21/1989
RPI 996
#2.1
10/25/1988
RPI 940
#21.1
Patente extinta em 25/08/2008
08/26/2008
RPI 1964
#16.1
08/25/1998
RPI 1444
#9.1
08/26/1997
RPI 1395
#6.1
10/01/1996
RPI 1348
#4.1
01/14/1992
RPI 1102
#11.1
10/08/1991
RPI 1088
Same category
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