Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8405433Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
SP, BR
Inventors
E. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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05/23/1989
RPI 970
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09/15/1987
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04/29/1986
RPI 810
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10/29/1985
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01/08/1985
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Patente extinta em 25/10/99
07/08/2008
RPI 1957
Same category
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