Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8703661Type
Filing
Publication
The letters patent expired on 12/11/2012: 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
LI
K. A. (pessoa física)
DE
Inventors
K. A. (pessoa física)
DE
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/13/1988
RPI 934
#3.1
03/22/1988
RPI 909
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10/06/1987
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Patente extinta em 01/06/2009
12/11/2012
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