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Official data from INPI

CONJUNTO DE CILINDRO-PISTAO OU EMBOLO,COM DISPOSITIVO DE LUBRIFICACAO

Em AnáliseInvention Patent

Application data

Number

PI7601467

Type

Invention Patent

Filing

03/19/1975

Publication

-

Progress at the INPI

  1. Filing03/19/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated11/17/87

The patent was granted on 02/24/1982 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. B. (pessoa física)

Inventors

W. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

16.3

04/27/1982

RPI 601

Concessão da patente

#16.1

02/24/1982

RPI 592

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