Concessão da patente
#16.1
09/29/1987
RPI 884
The letters patent expired on 09/21/1993: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
PFIZER
Inventors
W. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
07/14/1987
RPI 873
#9.1
03/17/1987
RPI 856
#6.1
10/05/1982
RPI 624
01/12/1982
RPI 586
#6.1
12/08/1981
RPI 581
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.