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Official data from INPI

COLETOR DE DESCARGAR E APERFEICOADO EM MAQUINA DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI7602656

Type

Invention Patent

Filing

04/30/1975

Publication

-

Progress at the INPI

  1. Filing04/30/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/28/83
  6. Terminated05/10/88

The patent was granted on 06/28/1983 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. K. (pessoa física)

Inventors

I. K. (pessoa física)

S. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

Concessão da patente

#16.1

06/28/1983

RPI 662

11.8

05/03/1983

RPI 654

Arquivamento - Art. 38 §2° da LPI

#11.4

02/22/1983

RPI 644

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