20.7
05/07/1985
RPI 759
The letters patent expired on 07/20/1993: 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: 05/07/1985. We update with every new RPI gazette, published weekly.
Applicants
VENTILADORES BERNAUER SA
Inventors
B. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/07/1985
RPI 759
#16.1
04/26/1983
RPI 653
#13.1
11/30/1982
RPI 632
#9.1
07/13/1982
RPI 612
#6.1
12/15/1981
RPI 582
#21.1
07/20/1993
RPI 1181
Same category
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