Solicitação de exame técnico
#4.1
12/20/1988
RPI 948
Application data
Number
PI8707078Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/20/1988. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
R. R. (pessoa física)
US
W. A. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/20/1988
RPI 948
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08/30/1988
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Patente extinta em 28/12/2002
07/29/2008
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10/25/1994
RPI 1247
#13.1
08/02/1994
RPI 1235
#9.1
04/05/1994
RPI 1218
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11/03/1992
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