Concessão da patente
#16.1
06/27/1989
RPI 975
Application data
Number
PI8301371Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
A. W. (pessoa física)
Inventors
W. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/27/1989
RPI 975
#13.1
10/04/1988
RPI 937
#9.1
06/07/1988
RPI 920
#6.1
08/11/1987
RPI 877
#4.1
11/25/1986
RPI 840
#3.1
10/30/1984
RPI 732
#2.1
05/03/1983
RPI 654
#21.1
Patente extinta em 16/03/98
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.