Concessão da patente
#16.1
12/29/1987
RPI 897
The letters patent expired on 09/27/1994: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Y. O. (pessoa física)
SP, BR
Inventors
O. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#9.1
08/18/1987
RPI 878
05/26/1987
RPI 866
02/17/1987
RPI 852
#4.1
01/07/1986
RPI 794
#3.1
07/02/1985
RPI 767
#2.1
02/07/1984
RPI 694
#21.1
09/27/1994
RPI 1243
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.