Solicitação de exame técnico
#4.1
12/22/1987
RPI 896
Application data
Number
PI8506435Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 12/22/1987. We update with every new RPI gazette, published weekly.
Applicants
GKN Technology Limited
GB
Inventors
D. R. (pessoa física)
GB
J. B. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/22/1987
RPI 896
#1.3
04/15/1986
RPI 808
#21.1
Patente extinta em 02/04/2000
07/15/2008
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