Carta-patente expirada
#21.1
Patente extinta em 05/01/2014
06/30/2015
RPI 2321
Application data
Number
PI9406671Type
Filing
Publication
PCT
US1994000155 The letters patent expired on 06/30/2015: 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: 06/30/2015. We update with every new RPI gazette, published weekly.
Applicants
Dailey International Inc.
US
Dailey Petroleum Services, Corp.
US
Weatherford/Lamb, INC.
US
Inventors
R. E. (pessoa física)
US
IPC Classification
Priority claims
US
08/054,718 · 04/29/1993
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 05/01/2014
06/30/2015
RPI 2321
#16.1
10/16/2001
RPI 1606
#25.1
Transferido de: Dailey International Inc.
08/28/2001
RPI 1599
#25.3
Reapresente documento comprobatório da transferência de titularidade contendo a respectiva Legalização Consular, a fim de atender a petição 001540/SP de 19/01/2001
03/13/2001
RPI 1575
#9.1
12/26/2000
RPI 1564
#6.1
06/27/2000
RPI 1538
#25.4
Alterado de: Dailey Petroleum Services Corp.
06/22/1999
RPI 1485
#1.3
01/23/1996
RPI 1312
From the same holder
Same category
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