Exigência - art. 36 da LPI
#6.1
07/25/1989
RPI 979
Application data
Number
PI8506783Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
P. W. (pessoa física)
NO
Inventors
P. W. (pessoa física)
NO
IPC Classification
Priority claims
NO
84 2441 · 06/18/1984
NO
85 1295 · 03/29/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
07/25/1989
RPI 979
#4.1
03/08/1988
RPI 907
#1.3
11/25/1986
RPI 840
#21.1
Patente extinta em 14/06/2000
07/15/2008
RPI 1958
#16.1
09/25/1990
RPI 1034
#13.1
06/05/1990
RPI 1021
#9.1
02/13/1990
RPI 1006
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.