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Official data from INPI

EMBALAGEM COM COMPARTIMENTO AUXILIAR.

ConcedidaUtility Model

Application data

Number

MU6101164

Type

Utility Model

Filing

08/24/1981

Publication

03/29/1983

Progress at the INPI

  1. Filing08/24/81
  2. Publication03/29/83
  3. Examination01/10/84
  4. Allowance09/25/84
  5. Grant05/28/85
  6. Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Duratex Sociedade Anônima

SP, BR

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Inventors

G. Z. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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