Solicitação de exame técnico
#4.1
12/02/1986
RPI 841
Application data
Number
PI8405385Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 12/02/1986. We update with every new RPI gazette, published weekly.
Applicants
H. D. (pessoa física)
SP, BR
Inventors
H. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/02/1986
RPI 841
#3.1
05/27/1986
RPI 814
#2.1
01/08/1985
RPI 742
#21.1
Patente extinta em 24/10/99
07/08/2008
RPI 1957
#16.1
06/29/1993
RPI 1178
#13.1
03/16/1993
RPI 1163
#9.1
10/20/1992
RPI 1142
#6.1
09/24/1991
RPI 1086
From the same holder
Same category
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