6.2
06/28/1988
RPI 923
Back to search
Official data from INPI
FIBRA REFRATARIA A ALTA TEMPERATURA E AO ALCALI PARA REFORCO DE PRODUTOS DE CIMENTO E OS PRODUTOS REFORCADOS
Em ExigênciaInvention Patent
Application data
Number
PI8401873Type
Invention Patent
Filing
04/22/1983
Publication
11/27/1984
Progress at the INPI
- Filing04/22/83
- Publication11/27/84
- Examination03/19/85
- Refused01/05/93
- Grant
- In force
The application was refused on 01/05/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
MANVILLE SERVICE CORP [US]
Inventors
C. R. (pessoa física)
E. G. (pessoa física)
M. C. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
03/19/1985
RPI 752
Publicação do pedido de patente
#3.1
11/27/1984
RPI 736
Pedido de patente depositado
#2.1
07/03/1984
RPI 715
111
01/05/1993
RPI 1153
Republicação - classificação IPC
#15.11
08/06/1991
RPI 1079
Petição de recurso
#12.2
04/16/1991
RPI 1063
Indeferimento
#9.2
01/15/1991
RPI 1050
Conhecimento de parecer técnico
#7.1
03/06/1990
RPI 1008
Related
From the same holder
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.