Publicação do pedido de patente
#3.1
02/14/1989
RPI 956
Application data
Number
PI8803717Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 02/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Pipe Liners,Inc
US
Inventors
L. F. (pessoa física)
FR
P. L. (pessoa física)
US
IPC Classification
Priority claims
US
077.883 · 07/27/1987
US
114.949 · 10/30/1987
US
188.468 · 04/29/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/14/1989
RPI 956
#2.1
12/27/1988
RPI 949
#21.1
Patente extinta em 28/07/2008
08/26/2008
RPI 1964
#16.1
Prazo de Validade (10) dez anos contados a partir de 28/07/1998, observadas as condições legais.
07/28/1998
RPI 1440
#9.1
09/09/1997
RPI 1397
#6.1
11/19/1996
RPI 1355
#4.1
12/26/1990
RPI 1047
Same category
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