Conhecimento de parecer técnico
#7.1
09/12/1989
RPI 986
The letters patent expired on 07/01/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
G. G. (pessoa física)
US
H. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
09/12/1989
RPI 986
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01/31/1989
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02/12/1985
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#2.1
04/06/1982
RPI 598
#21.1
Patente extinta em 19/02/97
07/01/2008
RPI 1956
#16.1
10/30/1990
RPI 1039
#13.1
08/21/1990
RPI 1029
#9.1
05/08/1990
RPI 1017
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