Solicitação de exame técnico
#4.1
10/06/1987
RPI 885
Application data
Number
PI8504532Type
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: 10/06/1987. We update with every new RPI gazette, published weekly.
Applicants
Johnson & Johnson
US
Inventors
N. B. (pessoa física)
GB
IPC Classification
Priority claims
GB
8402095 · 01/26/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/06/1987
RPI 885
#1.3
12/24/1985
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: A61F 13/18; A61F 13/20; B32B 9/02.
03/27/2018
RPI 2464
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Patente extinta em 28/01/2000
07/15/2008
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03/30/1993
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