Solicitação de exame técnico
#4.1
01/21/1987
RPI 848
Application data
Number
PI8506531Type
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: 01/21/1987. We update with every new RPI gazette, published weekly.
Applicants
Itelpa Industria e Comercio Ltda.
SP, BR
Itelpa S/A Indústria e Comércio
SP, BR
Inventors
E. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/21/1987
RPI 848
#3.2
10/29/1986
RPI 836
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03/25/1986
RPI 805
#21.1
Patente extinta em 13/12/2000
07/15/2008
RPI 1958
07/16/1996
RPI 1337
#20.1
07/09/1996
RPI 1336
#16.1
10/27/1992
RPI 1143
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04/07/1992
RPI 1114
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11/19/1991
RPI 1094
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