Solicitação de exame técnico
#4.1
01/03/1989
RPI 950
Application data
Number
PI8603897Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 01/03/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
J. E. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/03/1989
RPI 950
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Patente extinta em 15/08/2001
07/22/2008
RPI 1959
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05/25/1993
RPI 1173
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04/06/1993
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11/17/1992
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