Carta-patente expirada
#21.1
08/16/1988
RPI 930
The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
I. I. (pessoa física)
WERIL MUSICAIS LTD
Inventors
W. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
#16.1
08/31/1982
RPI 619
05/11/1982
RPI 603
03/30/1982
RPI 597
Same category
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