Concessão da patente
#16.1
03/27/1984
RPI 701
The letters patent expired on 05/16/1995: 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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
S. L. (pessoa física)
IPC Classification
Priority claims
US
7908507 · 03/10/1979
US
7933244 · 09/26/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
01/17/1984
RPI 691
#9.1
09/27/1983
RPI 675
#4.1
01/11/1983
RPI 638
#21.1
05/16/1995
RPI 1276
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.