Deferimento
#9.1
10/24/1989
RPI 992
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Official data from INPI
PROCESSO PARA REDUZIR O VOLUME DE ATMOSFERA NECESSITADO PARA INIBIR O INGRESSO DE OXIGÊNIO AMBIENTE NA CÂMARA DE UM FORNO DE TRATAMENTO TÉRMICO CONTÍNUO.
DeferidaInvention Patent
Application data
Number
PI8402069Type
Invention Patent
Filing
05/03/1984
Publication
12/11/1984
Progress at the INPI
- Filing05/03/84
- Publication12/11/84
- Examination11/25/86
- Allowance10/24/89
- Abandoned
- In force
The application was allowed on 10/24/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.
Talk to a specialistLatest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Air Products And Chemicals, Inc.
US
Inventors
A. P. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
6.2
06/28/1988
RPI 923
Solicitação de exame técnico
#4.1
11/25/1986
RPI 840
Publicação do pedido de patente
#3.1
12/11/1984
RPI 738
Pedido de patente depositado
#2.1
07/10/1984
RPI 716
Republicação - classificação IPC
#15.11
08/06/1991
RPI 1079
Arquivamento - Art. 38 §2° da LPI
#11.4
10/23/1990
RPI 1038
Notificação para pagamento de retribuição
#13.1
03/01/1990
RPI 1007
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