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Official data from INPI

PISTAO DE FREIO HIDRAULICO E FREIO DE VEICULO ATUADO POR PISTAO

ConcedidaInvention Patent

Application data

Number

PI8105483

Type

Invention Patent

Filing

08/28/1980

Publication

05/11/1982

Progress at the INPI

  1. Filing08/28/80
  2. Publication05/11/82
  3. Examination09/28/82
  4. Allowance02/07/84
  5. Grant09/25/84
  6. Terminated06/27/95

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KELSEY HAYES CO

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Inventors

L. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

05/22/1984

RPI 709

Deferimento

#9.1

02/07/1984

RPI 694

Pedido de certificado de adição de invenção

#5.1

03/08/1983

RPI 646

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

Publicação do pedido de patente

#3.1

05/11/1982

RPI 603

Pedido de patente depositado

#2.1

10/06/1981

RPI 572

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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