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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO PARA FECHAMENTO DE EMBALAGENS DESCARTÁVEIS

Em AnáliseInvention Patent

Application data

Number

PI8206631

Type

Invention Patent

Filing

11/17/1982

Publication

06/19/1984

Progress at the INPI

  1. Filing11/17/82
  2. Publication06/19/84
  3. Examination08/05/86
  4. Allowance03/01/90
  5. Grant08/28/90
  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: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALCAN BRASIL [BR]

See this company's full portfolio

Inventors

F. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

06/19/1984

RPI 713

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Carta-patente expirada

#21.1

Patente extinta em 17/11/97

07/01/2008

RPI 1956

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

06/19/1990

RPI 1023

Deferimento

#9.1

03/01/1990

RPI 1007

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