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Official data from INPI

PROCESSO DE DISTRIBUICAO DE FLUXO DE GAS E USINA DE TRATAMENTO DE GAS

Em AnáliseInvention Patent

Application data

Number

PI7805747

Type

Invention Patent

Filing

09/06/1977

Publication

-

Progress at the INPI

  1. Filing09/06/77
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant03/27/84
  6. Terminated06/14/88

The patent was granted on 03/27/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LODGE COTTRELL LTD

Inventors

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/13/1983

RPI 686

9.1.3

08/23/1983

RPI 670

Deferimento

#9.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

6.2

12/22/1981

RPI 583

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