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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA DE CURSO ALTERNATIVO.

Em AnáliseInvention Patent

Application data

Number

PI8402333

Type

Invention Patent

Filing

05/17/1984

Publication

04/02/1985

Progress at the INPI

  1. Filing05/17/84
  2. Publication04/02/85
  3. Examination06/25/85
  4. Allowance05/27/86
  5. Grant12/30/86
  6. Terminated09/26/89

The patent was granted on 12/30/1986 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

D. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

496,930 · 05/23/1983

US

531,269 · 09/12/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

04/02/1985

RPI 754

Pedido de patente depositado

#2.1

07/31/1984

RPI 719

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