Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 31/36; C01B 31/30.
03/27/2018
RPI 2464
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Official data from INPI
PROCESSO PARA FORMAR UM CARBETO METÁLICO, PROCESSO PARA FORMAR CARBETO DE MANGANÊS E PROCESSO PARA PRODUZIR LIGAS DE FERRO E UM METAL DE LIGA
Em AnáliseInvention PatentPCT · US1989000839
Application data
Number
PI8907309Type
Invention Patent
Filing
03/01/1989
Publication
03/19/1991
PCT
US1989000839 Progress at the INPI
- Filing03/01/89
- Publication03/19/91
- Examination09/17/91
- Allowance
- Grant
- In force
Published on 03/19/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.
Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Deere & Company
US
Inventors
N. L. (pessoa física)
Technical data
IPC Classification
Priority claims
US
167,319 · 03/11/1988
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Retificação
#15.3
06/21/1994
RPI 1229
Solicitação de exame técnico
#4.1
09/17/1991
RPI 1085
Notificação de entrada na fase nacional - PCT
#1.3
03/19/1991
RPI 1059
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