Solicitação de exame técnico
#4.1
07/22/1986
RPI 822
Application data
Number
PI8501948Type
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: 07/22/1986. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
F. B. (pessoa física)
US
J. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
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07/22/1986
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07/15/2008
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#16.1
09/24/1991
RPI 1086
#15.11
06/04/1991
RPI 1070
#13.1
04/23/1991
RPI 1064
#9.1
01/08/1991
RPI 1049
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07/24/1990
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