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Official data from INPI

CARBURADOR PARA UMA MÁQUINA DE COMBUSTÃO INTERNA.

ConcedidaInvention Patent

Application data

Number

PI8100885

Type

Invention Patent

Filing

02/13/1981

Publication

-

Progress at the INPI

  1. Filing02/13/81
  2. Publication
  3. Examination08/23/83
  4. Allowance05/07/85
  5. Grant03/25/86
  6. Expired03/26/96

The letters patent expired on 03/26/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

DE

Inventors

G. R. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 3005854.9 · 02/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Exigência - art. 36 da LPI

#6.1

05/15/1984

RPI 708

Pedido de certificado de adição de invenção

#5.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

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