Concessão da patente
#16.1
09/27/1988
RPI 936
Application data
Number
PI8304428Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
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06/21/1988
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03/01/1988
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10/21/1986
RPI 835
05/06/1986
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#3.1
04/24/1984
RPI 705
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10/25/1983
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Patente extinta em 17/08/98
08/19/2008
RPI 1963
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