Pedido de certificado de adição de invenção
#5.1
01/21/1986
RPI 796
Application data
Number
PI8301521Type
Filing
Publication
The patent was granted on 11/24/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 01/21/1986. We update with every new RPI gazette, published weekly.
Applicants
Baroid Technology, Inc.
US
Inventors
L. H. (pessoa física)
US
R. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
01/21/1986
RPI 796
#4.1
10/15/1985
RPI 782
#3.1
12/06/1983
RPI 685
#2.1
05/10/1983
RPI 655
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 1/28; C09K 7/02.
03/20/2018
RPI 2463
#18.2
12/17/1996
RPI 1359
#16.1
11/24/1992
RPI 1147
06/16/1992
RPI 1124
05/26/1992
RPI 1121
#13.1
11/12/1991
RPI 1093
#9.1
07/16/1991
RPI 1076
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.