Concessão da patente
#16.1
10/25/1983
RPI 679
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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
Z. F. (pessoa física)
Inventors
W. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
09/06/1983
RPI 672
#9.1
04/19/1983
RPI 652
#6.1
10/13/1982
RPI 625
#21.1
06/21/1994
RPI 1229
07/31/1990
RPI 1026
#18.2
05/29/1990
RPI 1020
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.