Solicitação de exame técnico
#4.1
12/15/1987
RPI 895
Application data
Number
PI8702325Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Oxigel Materiais Hospitalares Indústria e Comércio Ltda
SP, BR
Inventors
A. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/15/1987
RPI 895
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10/13/1987
RPI 886
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Patente extinta em 07/05/2002
07/29/2008
RPI 1960
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04/26/1994
RPI 1221
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11/09/1993
RPI 1197
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