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Official data from INPI

GERADOR DE PRESSAO DE FLUIDO COM VALVULA PROPORCIONADORA INTEGRAL

ConcedidaInvention Patent
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Application data

Number

PI7905497

Type

Invention Patent

Filing

08/23/1978

Publication

-
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Progress at the INPI

  1. Filing08/23/78
  2. Publication
  3. Examination06/21/83
  4. Allowance10/09/84
  5. Grant05/28/85
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENDIX CORP

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Inventors

G. R. (pessoa física)

L. L. (pessoa física)

Technical data

IPC Classification

F16D 65/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

06/19/1984

RPI 713

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Pedido de certificado de adição de invenção

#5.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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