Solicitação de exame técnico
#4.1
11/28/1989
RPI 997
Application data
Number
PI8707449Type
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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Mechanical Plastics Corp.
US
Inventors
N. G. (pessoa física)
US
T. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/28/1989
RPI 997
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Patente extinta em 03/09/2002
07/29/2008
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05/26/1992
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11/05/1991
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