Publicação antecipada
#3.2
10/31/1989
RPI 993
Application data
Number
PI8903625Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
D. B. (pessoa física)
SP, BR
Inventors
D. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
10/31/1989
RPI 993
#2.1
10/17/1989
RPI 991
#21.1
Patente extinta em 21/07/2004
12/22/2009
RPI 2033
#16.1
03/26/1996
RPI 1321
#13.1
10/17/1995
RPI 1298
#9.1
06/06/1995
RPI 1279
#4.1
08/14/1990
RPI 1028
Same category
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