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Official data from INPI

VÁLVULA.

Em AnáliseUtility Model

Application data

Number

MU6400371

Type

Utility Model

Filing

03/09/1984

Publication

08/07/1984

Progress at the INPI

  1. Filing03/09/84
  2. Publication08/07/84
  3. Examination10/23/84
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Terminated09/26/89

The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Woerner Sistemas de Lubrificação Ltda.

SP, BR

See this company's full portfolio

Inventors

M. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

03/10/1987

RPI 855

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

Publicação antecipada

#3.2

08/07/1984

RPI 720

Pedido de patente depositado

#2.1

05/15/1984

RPI 708

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