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Official data from INPI

CESTO DE CÂMARA DE COMBUSTÃO.

ConcedidaInvention Patent

Application data

Number

PI8300636

Type

Invention Patent

Filing

02/09/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/09/83
  2. Publication11/08/83
  3. Examination01/14/86
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Terminated04/18/95

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

M. E. (pessoa física)

T. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

349.125 · 02/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

01/14/1986

RPI 795

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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