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Official data from INPI

COMPOSIÇÕES AGLUTINANTES DE SILICATO DE METAL ALCALINO.

ConcedidaInvention Patent

Application data

Number

PI8007036

Type

Invention Patent

Filing

02/04/1980

Publication

-

Progress at the INPI

  1. Filing02/04/80
  2. Publication
  3. Examination08/10/82
  4. Allowance09/15/87
  5. Grant04/26/88
  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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco International Limited

GB

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Inventors

A. J. (pessoa física)

C. A. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7906875 · 02/27/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Exigência - art. 36 da LPI

#6.1

04/30/1985

RPI 758

Exigência - art. 36 da LPI

#6.1

12/06/1983

RPI 685

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Carta-patente expirada

#21.1

11/21/1995

RPI 1303

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