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Official data from INPI

CARCAÇA ESTACIONÁRIA RESFRIADA A AR PARA O ROTOR DE UMA TURBINA.

Em AnáliseInvention Patent

Application data

Number

PI8003466

Type

Invention Patent

Filing

05/30/1980

Publication

02/02/1982

Progress at the INPI

  1. Filing05/30/80
  2. Publication02/02/82
  3. Examination04/27/82
  4. Allowance06/19/84
  5. Grant02/26/85
  6. Terminated05/17/88

The patent was granted on 02/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

D. J. (pessoa física)

H. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

20.7

06/16/1987

RPI 869

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/19/1984

RPI 713

8.1

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

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