Notificação para pagamento de retribuição
#13.1
02/28/1989
RPI 958
Application data
Number
PI8203856Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT
SP, BR
Inventors
C. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
02/28/1989
RPI 958
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11/08/1988
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RPI 800
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10/01/1985
RPI 780
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RPI 617
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Patente extinta em 30/06/97
07/01/2008
RPI 1956
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03/20/1990
RPI 1010
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