Carta-patente expirada
#21.1
11/08/1988
RPI 942
The letters patent expired on 11/08/1988: 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: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
PHILIP MORRIS BRASILEIRA SA CI
Inventors
B. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
11/08/1988
RPI 942
#20.1
07/05/1988
RPI 924
06/28/1988
RPI 923
#16.1
08/31/1982
RPI 619
#13.1
04/13/1982
RPI 599
#9.1
12/01/1981
RPI 580
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.