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Official data from INPI

Válvula de controle hidráulico.

ConcedidaInvention Patent

Application data

Number

PI8007105

Type

Invention Patent

Filing

10/30/1980

Publication

-

Progress at the INPI

  1. Filing10/30/80
  2. Publication
  3. Examination07/26/83
  4. Allowance03/13/84
  5. Grant09/25/84
  6. Expired11/21/95

The letters patent expired on 11/21/1995: the term of protection has ended. The technology is in the public domain and may be freely used 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

Bendiberica S/A

RJ, BR

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Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Priority claims

ES

485.604 · 11/01/1979

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

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Pedido de certificado de adição de invenção

#5.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

07/26/1983

RPI 666

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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