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Official data from INPI

DISPOSITIVO DE BLOQUEIO PARA VÁLVULAS, ESPECIALMENTE VÁLVULAS DE REGULAGEM DE ACIONAMENTO MANUAL

Arquivada/ExtintaUtility Model

Application data

Number

MU7102162

Type

Utility Model

Filing

09/25/1991

Publication

12/24/1991

Progress at the INPI

  1. Filing09/25/91
  2. Publication12/24/91
  3. Examination02/04/92
  4. Allowance07/19/94
  5. Grant03/28/95
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mercedes-Benz do Brasil S/A

SP, BR

See this company's full portfolio

Inventors

A. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/09/2001

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

02/04/1992

RPI 1105

Publicação antecipada

#3.2

12/24/1991

RPI 1099

Pedido de patente depositado

#2.1

10/29/1991

RPI 1091

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