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Official data from INPI

VÁLVULA DE COMANDO

ConcedidaInvention Patent
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Application data

Number

PI8406624

Type

Invention Patent

Filing

12/20/1984

Publication

03/19/1985
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Progress at the INPI

  1. Filing12/20/84
  2. Publication03/19/85
  3. Examination06/11/85
  4. Allowance10/04/88
  5. Grant09/26/89
  6. Terminated03/03/92

The patent was granted on 09/26/1989 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

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Inventors

A. K. (pessoa física)

BR

Technical data

IPC Classification

F16N 25/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

02/02/1988

RPI 902

Republicação - classificação IPC

#15.11

08/25/1987

RPI 879

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

06/11/1985

RPI 764

Publicação antecipada

#3.2

03/19/1985

RPI 752

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

Republicação - classificação IPC

#15.11

10/15/1991

RPI 1089

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