Concessão da patente
#16.1
02/04/1986
RPI 798
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Official data from INPI
PROCESSO PARA A PREPARACAO DE UMA FIBRA DE ASBESTO CRISOTILA MODIFICADA E FIBRAS DE ASBESTO
ConcedidaInvention Patent
Application data
Number
PI8103219Type
Invention Patent
Filing
04/29/1981
Publication
02/16/1982
Progress at the INPI
- Filing04/29/81
- Publication02/16/82
- Examination07/13/82
- Allowance07/09/85
- Grant02/04/86
- Terminated09/25/90
The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
AMIANTE
Inventors
D. J. (pessoa física)
L. J. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
11/12/1985
RPI 786
Deferimento
#9.1
07/09/1985
RPI 768
Republicação - classificação IPC
#15.11
12/18/1984
RPI 739
Exigência - art. 36 da LPI
#6.1
07/31/1984
RPI 719
Solicitação de exame técnico
#4.1
07/13/1982
RPI 612
Publicação do pedido de patente
#3.1
02/16/1982
RPI 591
Anuidade - prazo legal encerrado
#18.2
09/25/1990
RPI 1034
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