Solicitação de exame técnico
#4.1
09/29/1987
RPI 884
Application data
Number
PI8602152Type
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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Barber-Greene Company
US
Inventors
J. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/29/1987
RPI 884
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Patente extinta em 13/05/2001
07/22/2008
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10/30/1990
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