Publicação do pedido de patente
#3.1
03/15/1988
RPI 908
Application data
Number
PI8703283Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 03/15/1988. We update with every new RPI gazette, published weekly.
Applicants
Dailey International Inc.
US
Dailey International INC
US
Dailey Petroleum Services, Corp.
US
Inventors
C. T. (pessoa física)
US
J. B. (pessoa física)
US
L. M. (pessoa física)
US
R. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/15/1988
RPI 908
#2.1
09/29/1987
RPI 884
#21.1
Patente extinta em 03/06/2002
07/29/2008
RPI 1960
#25.4
Alterado de: Dailey Petrolium Services Corp
11/10/1998
RPI 1453
#16.1
05/26/1992
RPI 1121
#13.1
12/17/1991
RPI 1098
#9.1
08/20/1991
RPI 1081
#4.1
11/06/1990
RPI 1040
From the same holder
Same category
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