Concessão da patente
#16.1
12/29/1987
RPI 897
The letters patent expired on 05/02/1995: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
S. G. (pessoa física)
Inventors
D. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#13.1
11/10/1987
RPI 890
#9.1
07/14/1987
RPI 873
#6.1
11/20/1984
RPI 735
#7.1
03/20/1984
RPI 700
#4.1
06/29/1982
RPI 610
#21.1
05/02/1995
RPI 1274
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.