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Official data from INPI

PLANTA PARA PRODUÇÃO DE OXIGÊNIO GASOSO.

ConcedidaInvention Patent

Application data

Number

PI8303956

Type

Invention Patent

Filing

07/25/1983

Publication

04/24/1984

Progress at the INPI

  1. Filing07/25/83
  2. Publication04/24/84
  3. Examination08/07/84
  4. Allowance
  5. Grant08/26/86
  6. Terminated10/02/90

The patent was granted on 08/26/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

GB

82 24276 · 08/24/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

04/24/1984

RPI 705

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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