Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO PARA FECHAMENTO DE EMBALAGENS

ConcedidaUtility Model

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Application data

Number

MU6201821

Type

Utility Model

Filing

11/18/1982

Publication

06/26/1984

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Progress at the INPI

Filing11/18/82
Publication06/26/84
Examination08/05/86
Allowance06/21/88
Grant04/25/89
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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

15.10

04/19/1988

RPI 913

Conhecimento de parecer técnico

#7.1

06/16/1987

RPI 869

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

201

07/31/1990

RPI 1026

Pedido de licença voluntária

#17.1

02/13/1990

RPI 1006

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