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Official data from INPI

PRODUTO DE CIMENTO OBTIDO POR PEGA DE UMA COMPOSIÇÃO

ConcedidaInvention Patent

Application data

Number

PI8003930

Type

Invention Patent

Filing

06/24/1980

Publication

-

Progress at the INPI

  1. Filing06/24/80
  2. Publication
  3. Examination
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated02/04/92

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

B. J. (pessoa física)

H. A. (pessoa física)

K. K. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7922208 · 06/26/1979

GB

8014847 · 05/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Republicação - classificação IPC

#15.11

04/28/1987

RPI 862

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Exigência - art. 36 da LPI

#6.1

08/27/1985

RPI 775

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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