Official data from INPI

SEM TITULO

ConcedidaUtility Model

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Application data

Number

MU6201242

Type

Utility Model

Filing

09/14/1982

Publication

04/17/1984

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Progress at the INPI

Filing09/14/82
Publication04/17/84
Examination07/03/84
Allowance07/09/85
Grant03/31/87
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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inebrasa S/A.

SP, BR

Inventors

E. A. (pessoa física)

Technical data

IPC Classification

F26B 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/31/1987

RPI 858

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

110

06/17/1986

RPI 817

Recurso

#12.1

11/05/1985

RPI 785

14.4

10/22/1985

RPI 783

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

07/03/1984

RPI 715

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

Extinção — restauração

#21.2

11/10/1992

RPI 1145

20.4

09/22/1992

RPI 1138

20.7