Carta-patente expirada
#21.1
09/13/1988
RPI 934
The letters patent expired on 09/13/1988: 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
R. M. (pessoa física)
Inventors
R. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
09/13/1988
RPI 934
#20.1
08/07/1984
RPI 720
#16.1
01/31/1984
RPI 693
#13.1
09/27/1983
RPI 675
#9.1
05/24/1983
RPI 657
12/14/1982
RPI 634
#6.1
03/09/1982
RPI 594
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.