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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8107500

Type

Invention Patent

Filing

11/18/1981

Publication

08/10/1982

Progress at the INPI

  1. Filing11/18/81
  2. Publication08/10/82
  3. Examination12/14/82
  4. Allowance03/17/87
  5. Grant08/25/87
  6. Terminated03/19/96

The patent was granted on 08/25/1987 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metallurgie Et Plastic S.A.

CH

Inventors

D. A. (pessoa física)

L. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Deferimento

#9.1

03/17/1987

RPI 856

Conhecimento de parecer técnico

#7.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Publicação do pedido de patente

#3.1

08/10/1982

RPI 616

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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