Concessão da patente
#16.1
09/27/1988
RPI 936
Application data
Number
PI8400270Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
R. M. (pessoa física)
US
Inventors
A. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
#13.1
07/26/1988
RPI 927
#9.1
04/12/1988
RPI 912
#4.1
03/24/1987
RPI 857
#3.1
02/12/1985
RPI 747
#2.1
04/10/1984
RPI 703
#21.1
Patente extinta em 23/01/99
07/08/2008
RPI 1957
From the same holder
Same category
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