Concessão da patente
#16.1
08/29/1989
RPI 984
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Official data from INPI
PROCESSO PARA CARBURETAR ARTIGOS DE METAL FERROSO.
ConcedidaInvention Patent
Application data
Number
PI8102937Type
Invention Patent
Filing
05/12/1981
Publication
02/02/1982
Progress at the INPI
- Filing05/12/81
- Publication02/02/82
- Examination03/30/82
- Allowance02/28/89
- Grant08/29/89
- Terminated06/20/95
The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
AIR PRODUCTS AND CHEMICALS, INC.
Inventors
K. J. (pessoa física)
S. R. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Priority claims
US
148,854 · 05/12/1980
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/23/1989
RPI 970
100
02/28/1989
RPI 958
Petição de recurso
#12.2
10/07/1986
RPI 833
Indeferimento
#9.2
06/24/1986
RPI 818
Conhecimento de parecer técnico
#7.1
10/01/1985
RPI 780
Exigência - art. 36 da LPI
#6.1
07/02/1985
RPI 767
Conhecimento de parecer técnico
#7.1
12/18/1984
RPI 739
Exigência - art. 36 da LPI
#6.1
10/09/1984
RPI 729
Solicitação de exame técnico
#4.1
03/30/1982
RPI 597
Publicação do pedido de patente
#3.1
02/02/1982
RPI 589
Anuidade - prazo legal encerrado
#18.2
06/20/1995
RPI 1281
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