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Official data from INPI

VASOS DE VAZAMENTO METALÚRGICOS.

ConcedidaInvention Patent

Application data

Number

PI8006749

Type

Invention Patent

Filing

02/18/1980

Publication

-

Progress at the INPI

  1. Filing02/18/80
  2. Publication
  3. Examination09/28/82
  4. Allowance10/16/84
  5. Grant04/30/85
  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.

Talk to a specialist

Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco International Limited

GB

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Inventors

K. J. (pessoa física)

M. W. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7905680 · 02/17/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/16/1984

RPI 730

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Conhecimento de parecer técnico

#7.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

09/28/1982

RPI 623

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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