Carta-patente expirada
#21.1
08/16/1988
RPI 930
The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
I. I. (pessoa física)
Inventors
G. T. (pessoa física)
M. I. (pessoa física)
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
#16.1
05/29/1984
RPI 710
#13.1
12/06/1983
RPI 685
11/01/1983
RPI 680
11/01/1983
RPI 680
#11.4
07/12/1983
RPI 664
08/24/1982
RPI 618
04/20/1982
RPI 600
#9.1
02/24/1982
RPI 592
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.