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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8302755

Type

Invention Patent

Filing

05/25/1983

Publication

01/24/1984

Progress at the INPI

  1. Filing05/25/83
  2. Publication01/24/84
  3. Examination05/29/84
  4. Allowance10/29/85
  5. Grant06/24/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nippondenso Co., Ltd

JP

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Deferimento

#9.1

10/29/1985

RPI 784

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação do pedido de patente

#3.1

01/24/1984

RPI 692

Pedido de patente depositado

#2.1

07/12/1983

RPI 664

Carta-patente expirada

#21.1

Patente extinta em 25/05/98

07/01/2008

RPI 1956

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