Concessão da patente
#16.1
07/29/1986
RPI 823
The letters patent expired on 11/15/1994: 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: 07/29/1986. We update with every new RPI gazette, published weekly.
Applicants
P. L. (pessoa física)
P. D. (pessoa física)
Inventors
P. L. (pessoa física)
P. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/29/1986
RPI 823
#13.1
04/15/1986
RPI 808
#9.1
10/15/1985
RPI 782
#15.11
06/11/1985
RPI 764
#6.1
05/07/1985
RPI 759
#6.1
11/20/1984
RPI 735
#4.1
06/21/1983
RPI 661
#3.2
01/11/1983
RPI 638
#2.1
10/26/1982
RPI 627
#21.1
11/15/1994
RPI 1250
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.