Concessão da patente
#16.1
09/27/1988
RPI 936
Application data
Number
PI8303313Type
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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Welko Industriale S.p.A.
IT
Inventors
A. B. (pessoa física)
W. U. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
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04/29/1986
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02/07/1984
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08/02/1983
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#21.1
Patente extinta em 22/06/98
07/01/2008
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