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Official data from INPI

LÂMINA RESFRIADA POR TRANSPIRAÇÃO PARA MOTOR DE TURBINA DE COMBUSTÃO E PROCESSO PARA FABRICAR UMA LÂMINA DE TURBINA DE COMBUSTÃO, RESFRIADA POR TRANSPIRAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8000145

Type

Invention Patent

Filing

01/10/1980

Publication

-

Progress at the INPI

  1. Filing01/10/80
  2. Publication
  3. Examination11/03/82
  4. Allowance11/16/83
  5. Grant04/24/84
  6. Terminated02/11/92

The patent was granted on 04/24/1984 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

A. C. (pessoa física)

B. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

003.849 · 01/16/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

11/03/1982

RPI 628

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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