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Official data from INPI

DISPOSIÇÃO DE VEDAÇÃO DE CILINDRO DE VÁLVULA

ConcedidaUtility Model

Application data

Number

MU6400071

Type

Utility Model

Filing

01/19/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing01/19/84
  2. Publication08/27/85
  3. Examination07/21/87
  4. Allowance05/09/89
  5. Grant11/28/89
  6. Expired10/04/94

The letters patent expired on 10/04/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rost do Brasil Metais Sanitários Ltda

SC, BR

Inventors

I. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

11/29/1988

RPI 945

Solicitação de exame técnico

#4.1

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

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