Concessão da patente
#16.1
03/17/1987
RPI 856
Application data
Number
PI8106179Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
AMSTED IND INC [US]
Inventors
N. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/17/1987
RPI 856
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#6.1
11/12/1985
RPI 786
#4.1
09/13/1983
RPI 673
#3.1
05/03/1983
RPI 654
#2.1
11/10/1981
RPI 577
#21.1
Patente extinta em 25/09/96
08/19/2008
RPI 1963
Same category
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