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Official data from INPI

Estrutura de múltiplas camadas, container e tampa para o mesmo, de fácil abertura

PublicadaInvention Patent

Application data

Number

PI8901812

Type

Invention Patent

Filing

04/18/1989

Publication

11/28/1989

Progress at the INPI

  1. Filing04/18/89
  2. Publication11/28/89
  3. Examination07/24/90
  4. Allowance09/23/97
  5. Grant07/28/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Idemitsu Petrochemical Co., Ltd

JP

See this company's full portfolio

Inventors

T. Y. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

95.386/1988 · 04/20/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Carta-patente expirada

#21.1

Patente extinta em 18/04/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

09/23/1997

RPI 1399

Pedido de certificado de adição de invenção

#5.1

12/04/1990

RPI 1044

Solicitação de exame técnico

#4.1

07/24/1990

RPI 1025

15.16

05/15/1990

RPI 1018

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