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Official data from INPI

PISTAO ARREFECIDO POR LIQUIDO,PARA MAQUINA DE COMBUSTAO INTERNA

ConcedidaInvention Patent

Application data

Number

PI7608346

Type

Invention Patent

Filing

12/13/1976

Publication

-

Progress at the INPI

  1. Filing12/13/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/25/82
  6. Terminated10/23/90

The patent was granted on 05/25/1982 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: 05/25/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SULZER AG

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Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/25/1982

RPI 605

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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