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Official data from INPI

PÁ DE ROTOR DE TURBINA.

ConcedidaInvention Patent

Application data

Number

PI8206920

Type

Invention Patent

Filing

11/30/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/30/82
  2. Publication10/04/83
  3. Examination11/26/85
  4. Allowance07/14/87
  5. Grant01/26/88
  6. Terminated10/16/90

The patent was granted on 01/26/1988 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

M. C. (pessoa física)

N. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

326.732 · 12/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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