Carta-patente expirada
#21.1
09/13/1988
RPI 934
The letters patent expired on 09/13/1988: 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
A. S. (pessoa física)
Inventors
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
09/13/1988
RPI 934
#16.1
04/26/1983
RPI 653
#13.1
01/25/1983
RPI 640
#9.1
09/21/1982
RPI 622
05/04/1982
RPI 602
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.