Solicitação de exame técnico
#4.1
09/13/1988
RPI 934
Application data
Number
PI8606656Type
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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
Hydrel Company
US
Inventors
J. B. (pessoa física)
US
J. K. (pessoa física)
US
K. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/13/1988
RPI 934
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Patente extinta em 28/04/2001
07/22/2008
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02/26/1991
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11/13/1990
RPI 1041
#9.1
07/31/1990
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