Concessão da patente
#16.1
10/01/1985
RPI 780
The letters patent expired on 06/21/1994: 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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
STAUFFER CHEMICAL CO
Inventors
H. A. (pessoa física)
H. G. (pessoa física)
R. R. (pessoa física)
S. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/01/1985
RPI 780
#13.1
05/28/1985
RPI 762
#9.1
02/12/1985
RPI 747
#15.11
09/25/1984
RPI 727
#6.1
06/12/1984
RPI 712
#6.1
01/17/1984
RPI 691
06/22/1982
RPI 609
#4.1
12/08/1981
RPI 581
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.