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
S. L. (pessoa física)
Inventors
S. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
10/08/1985
RPI 781
01/10/1984
RPI 690
#16.1
08/17/1982
RPI 617
#13.1
01/12/1982
RPI 586
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.