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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM VÁLVULA DE COMANDO

Em AnáliseUtility Model

Application data

Number

MU6802728

Type

Utility Model

Filing

12/13/1988

Publication

09/19/1989

Progress at the INPI

  1. Filing12/13/88
  2. Publication09/19/89
  3. Examination11/28/89
  4. Allowance01/26/93
  5. Grant08/31/93
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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

P. M. (pessoa física)

SP, BR

Inventors

P. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/28/1989

RPI 997

Publicação antecipada

#3.2

09/19/1989

RPI 987

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 13/12/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

05/11/1993

RPI 1171

Deferimento

#9.1

01/26/1993

RPI 1156

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