120
11/21/1989
RPI 996
Application data
Number
PI8500492Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
A. S. (pessoa física)
SP, BR
Inventors
A. S. (pessoa física)
BR
Publications in the Brazilian Industrial Property Gazette (RPI).
11/21/1989
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A classificação anterior era: F03D 9/00
08/16/2016
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Patente extinta em 31/01/2000
07/15/2008
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