111
09/12/1989
RPI 986
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Official data from INPI
APERFEICOAMENTOS EM ISOLADORES ELETRICOS
Em AnáliseInvention Patent
Application data
Number
PI8402859Type
Invention Patent
Filing
06/08/1984
Publication
04/09/1985
Progress at the INPI
- Filing06/08/84
- Publication04/09/85
- Examination10/01/85
- Refused09/12/89
- Grant
- In force
The application was refused on 09/12/1989 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
PORCELANA SCHMIDT S A [BR]
Inventors
S. A. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Petição de recurso
#12.2
02/08/1989
RPI 955
Indeferimento
#9.2
11/01/1988
RPI 941
Pedido de certificado de adição de invenção
#5.1
10/21/1986
RPI 835
Solicitação de exame técnico
#4.1
10/01/1985
RPI 780
Publicação antecipada
#3.2
04/09/1985
RPI 755
Pedido de patente depositado
#2.1
01/22/1985
RPI 744
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