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Official data from INPI

COMPOSIÇÃO DE BORRACHA RESISTENTE AO ÓLEO

Em ExigênciaInvention Patent

Application data

Number

PI8106728

Type

Invention Patent

Filing

10/19/1981

Publication

07/06/1982

Progress at the INPI

  1. Filing10/19/81
  2. Publication07/06/82
  3. Examination08/14/84
  4. Allowance03/20/90
  5. Grant09/25/90
  6. In force10/19/01

The patent was granted on 09/25/1990 and is in force until 10/19/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:10/19/2001

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nippon Zeon Co., Ltd., companhia japonesa

JP

Inventors

K. H. (pessoa física)

JP

M. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

146.734/80 · 10/20/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/03/1989

RPI 989

Conhecimento de parecer técnico

#7.1

08/16/1988

RPI 930

Conhecimento de parecer técnico

#7.1

04/23/1985

RPI 757

Pedido de certificado de adição de invenção

#5.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

07/31/1990

RPI 1026

Deferimento

#9.1

03/20/1990

RPI 1010

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