Concessão da patente
#16.1
08/30/1988
RPI 932
Application data
Number
PI8301706Type
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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
O. C. (pessoa física)
RS, BR
Inventors
O. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
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05/10/1988
RPI 916
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10/29/1985
RPI 784
#3.1
11/13/1984
RPI 734
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05/17/1983
RPI 656
#21.1
Patente extinta em 04/04/98
07/01/2008
RPI 1956
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Same category
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