Deferimento
#9.1
11/21/1989
RPI 996
Application data
Number
PI8507221Type
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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
C. T. (pessoa física)
US
V. J. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
11/21/1989
RPI 996
#4.1
12/13/1988
RPI 947
#1.3
08/04/1987
RPI 876
#21.1
Patente extinta em 03/06/2000
07/15/2008
RPI 1958
#16.1
06/26/1990
RPI 1024
#13.1
03/27/1990
RPI 1011
From the same holder
Same category
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