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Official data from INPI

VÁLVULA COMPENSADORA PARA FREIOS DE AR.

Em AnáliseInvention Patent

Application data

Number

PI8602745

Type

Invention Patent

Filing

06/12/1986

Publication

04/14/1987

Progress at the INPI

  1. Filing06/12/86
  2. Publication04/14/87
  3. Examination07/25/89
  4. Allowance05/01/90
  5. Grant10/30/90
  6. Terminated10/03/95

The patent was granted on 10/30/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. V. (pessoa física)

AR

D. S. (pessoa física)

AR

P. V. (pessoa física)

AR

Inventors

D. S. (pessoa física)

AR

Technical data

IPC Classification

Priority claims

AR

301.519 · 09/06/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/25/1989

RPI 979

Publicação do pedido de patente

#3.1

04/14/1987

RPI 860

Pedido de patente depositado

#2.1

12/23/1986

RPI 844

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/01/1990

RPI 1016

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