300
10/03/1989
RPI 989
Application data
Number
PI8200060Type
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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
M. D. (pessoa física)
RS, BR
Inventors
M. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/03/1989
RPI 989
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RPI 673
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Patente extinta em 07/01/97
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