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Official data from INPI

PROCESSO DE REVESTIR UM SUBSTRATO DESGASTÁVEL QUE, EM USO, FICA EM CONTATO COM METAL EM FUSÃO E MOLDES OU MACHOS DE AREIA DE FUNDIÇÃO REVESTIIDOS.

ConcedidaInvention Patent

Application data

Number

PI8005534

Type

Invention Patent

Filing

01/21/1980

Publication

-

Progress at the INPI

  1. Filing01/21/80
  2. Publication
  3. Examination04/13/82
  4. Allowance07/17/84
  5. Grant02/26/85
  6. Expired09/26/95

The letters patent expired on 09/26/1995: 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: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco Imternacional Limited.

GB

Inventors

H. J. (pessoa física)

Technical data

Priority claims

GB

7905474 · 02/15/1979

GB

80/00013 · 01/21/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/17/1984

RPI 717

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

Retificação da notificação da fase nacional - PCT

#1.3.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

09/26/1995

RPI 1295

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