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Official data from INPI

CORPO MODULAR PARA VÁLVULAS.

ConcedidaUtility Model

Application data

Number

MU6300052

Type

Utility Model

Filing

01/18/1983

Publication

08/21/1984

Progress at the INPI

  1. Filing01/18/83
  2. Publication08/21/84
  3. Examination12/18/84
  4. Allowance09/09/86
  5. Grant06/30/87
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CBV Industria Mecanica S.A

RJ, BR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

12/30/1986

RPI 845

Deferimento

#9.1

09/09/1986

RPI 829

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

12/18/1984

RPI 739

Publicação do pedido de patente

#3.1

08/21/1984

RPI 722

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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