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Official data from INPI

APERFEICOAMENTO EM JOGO DE VALVULA DE CONTROLE

Em AnáliseInvention Patent
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Application data

Number

PI7902800

Type

Invention Patent

Filing

05/09/1978

Publication

-
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Progress at the INPI

  1. Filing05/09/78
  2. Publication
  3. Examination12/22/81
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Terminated06/14/88

The patent was granted on 01/31/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GIRLING LTD

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Inventors

K. M. (pessoa física)

Technical data

IPC Classification

B60T 15/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Pedido de licença compulsória

#20.1

10/23/1984

RPI 731

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

Exigência - art. 36 da LPI

#6.1

10/13/1982

RPI 625

Solicitação de exame técnico

#4.1

12/22/1981

RPI 583

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