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Official data from INPI

PROCESSO PARA PRODUCAO DE RESINA TERPOLIMERA TERMOPLASTICA E RESINA DE TEROOLIMERO TERMOPLASTICO

ConcedidaInvention Patent

Application data

Number

PI8002536

Type

Invention Patent

Filing

04/28/1979

Publication

-

Progress at the INPI

  1. Filing04/28/79
  2. Publication
  3. Examination
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JAPAN SYNTHETIC RUBBER CO LTD

Inventors

M. I. (pessoa física)

M. A. (pessoa física)

S. T. (pessoa física)

T. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

6.2

12/07/1982

RPI 633

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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