Indeferimento
#9.2
05/26/1987
RPI 866
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Application data
Number
PI8300899Type
Invention Patent
Filing
02/24/1983
Publication
06/28/1983
Progress at the INPI
Under appeal- Filing02/24/83
- Publication06/28/83
- Examination09/20/83
- Refused05/26/87
- Grant
- In force
The application was refused by the INPI on 05/26/1987. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 05/26/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
REFRATARIOS & ISOLANTES SA [BR]
Inventors
B. M. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Republicação - classificação IPC
#15.11
05/05/1987
RPI 863
Conhecimento de parecer técnico
#7.1
07/09/1985
RPI 768
14.4
01/22/1985
RPI 744
Solicitação de exame técnico
#4.1
09/20/1983
RPI 674
Publicação antecipada
#3.2
06/28/1983
RPI 662
Pedido de patente depositado
#2.1
04/12/1983
RPI 651
Republicação - classificação IPC
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C04B 35/00; C04B 43/00.
03/27/2018
RPI 2464
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