Utility ModelMU6201242

SEM TITULO

Inebrasa S/A.

ConcedidaIPC F26B 9/00

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.

Technical data

IPC Classification

F26B 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

03/31/1987

RPI 858

Concessão da patente

16.1

10/14/1986

RPI 834

Notificação para pagamento de retribuição

13.1

06/17/1986

RPI 817

110

11/05/1985

RPI 785

Recurso

12.1

10/22/1985

RPI 783

14.4

07/09/1985

RPI 768

Deferimento

9.1

07/03/1984

RPI 715

Solicitação de exame técnico

4.1

04/17/1984

RPI 704

Publicação do pedido de patente

3.1

10/26/1982

RPI 627

Pedido de patente depositado

2.1

12/07/1993

RPI 1201

Carta-patente expirada

21.1

11/10/1992

RPI 1145

Extinção — restauração

21.2

09/22/1992

RPI 1138

20.4