Concessão da patente
#16.1
10/29/1986
RPI 836
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Official data from INPI
Processo para remoção de vapor de água de etanol gasoso.
ConcedidaInvention Patent
Application data
Number
PI8103970Type
Invention Patent
Filing
06/24/1981
Publication
08/24/1982
Progress at the INPI
- Filing06/24/81
- Publication08/24/82
- Examination10/16/84
- Allowance04/08/86
- Grant10/29/86
- Expired10/08/96
The letters patent expired on 10/08/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 10/29/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Phoenix Anhydrous Systems, Inc.
US
Inventors
G. F. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
08/12/1986
RPI 825
Deferimento
#9.1
04/08/1986
RPI 807
Exigência - art. 36 da LPI
#6.1
06/11/1985
RPI 764
Solicitação de exame técnico
#4.1
10/16/1984
RPI 730
Publicação do pedido de patente
#3.1
08/24/1982
RPI 618
Carta-patente expirada
#21.1
10/08/1996
RPI 1349
Pedido de licença compulsória
#20.1
10/23/1990
RPI 1038
18.8
10/16/1990
RPI 1037
Pedido de licença compulsória
#20.1
10/16/1990
RPI 1037
20.10
10/16/1990
RPI 1037
Anuidade - prazo legal encerrado
#18.2
09/25/1990
RPI 1034
Licença compulsória (variante)
#20.2
09/11/1990
RPI 1032
Licença compulsória (variante)
#20.2
07/24/1990
RPI 1025
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