Pedido de patente depositado
#2.1
04/04/1989
RPI 963
Application data
Number
PI8806325Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 04/04/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
D. Z. (pessoa física)
US
Y. K. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
04/04/1989
RPI 963
#21.1
Patente extinta em 01/12/2008
12/18/2012
RPI 2189
#16.1
11/24/1998
RPI 1455
#15.11
Alterada a Classificação Int.Cl.5 C21D 1/26, C21D 1/42, C21D 1/46 e C25F 1/06 para Int.Cl.6 C25F 1/06, C21D 6/00 e C21D 9/60.
04/14/1998
RPI 1425
#9.1
04/14/1998
RPI 1425
#6.1
05/27/1997
RPI 1382
#6.1
07/30/1996
RPI 1339
#4.1
08/18/1992
RPI 1133
#3.1
07/31/1990
RPI 1026
From the same holder
Same category
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