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Official data from INPI

CONTAINER

Em AnáliseInvention Patent

Application data

Number

PI7905511

Type

Invention Patent

Filing

08/28/1978

Publication

-

Progress at the INPI

  1. Filing08/28/78
  2. Publication
  3. Examination
  4. Allowance09/14/82
  5. Grant03/29/83
  6. Terminated07/12/88

The patent was granted on 03/29/1983 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKYU CAR CORP

Inventors

I. K. (pessoa física)

M. N. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

03/29/1983

RPI 649

Exigência - art. 36 da LPI

#6.1

01/25/1983

RPI 640

Deferimento

#9.1

09/14/1982

RPI 621

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