Publicação antecipada
#3.2
11/07/1989
RPI 994
Application data
Number
PI8903518Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants
C. W. (pessoa física)
PR, BR
Inventors
C. W. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
11/07/1989
RPI 994
#2.1
10/03/1989
RPI 989
#21.1
Patente extinta em 10/07/2009
05/21/2013
RPI 2211
#16.1
08/26/1997
RPI 1395
#13.1
03/11/1997
RPI 1371
#9.1
07/09/1996
RPI 1336
#7.1
12/12/1995
RPI 1306
#4.1
04/23/1991
RPI 1064
From the same holder
Same category
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