Solicitação de exame técnico
#4.1
02/17/1987
RPI 852
Application data
Number
PI8600380Type
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: 02/17/1987. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Inventors
F. L. (pessoa física)
US
G. S. (pessoa física)
US
T. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/17/1987
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10/14/1986
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07/22/1986
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Patente extinta em 30/01/2001
07/22/2008
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05/25/1993
RPI 1173
#13.1
04/06/1993
RPI 1166
#9.1
11/17/1992
RPI 1146
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01/28/1992
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