Concessão da patente
#16.1
06/02/1987
RPI 867
Application data
Number
PI8101927Type
Filing
Publication
The letters patent expired on 09/24/1996: 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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
Ao, Inc
US
Inventors
W. T. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
#13.1
12/23/1986
RPI 844
#9.1
09/02/1986
RPI 828
#4.1
08/27/1985
RPI 775
#3.1
06/07/1983
RPI 659
02/01/1983
RPI 641
#21.1
09/24/1996
RPI 1347
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.