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Official data from INPI

PÁ PARA ROTOR REFRIGERADO, DE PRIMEIRO ESTÁGIO, DE UMA TURBINA DE COMBUSTÃO TERRESTRE.

ConcedidaInvention Patent

Application data

Number

PI8305902

Type

Invention Patent

Filing

10/21/1983

Publication

05/29/1984

Progress at the INPI

  1. Filing10/21/83
  2. Publication05/29/84
  3. Examination08/05/86
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Terminated05/09/95

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

B. L. (pessoa física)

F. K. (pessoa física)

T. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

436.102 · 10/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

07/28/1987

RPI 875

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

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