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Official data from INPI

UM PROCESSO PARA A APURAÇÃO DE UM MINÉRIO COMPORTANDO FOSFATO DE CÁLCIO

Em ExigênciaInvention Patent

Application data

Number

PI8401434

Type

Invention Patent

Filing

03/28/1984

Publication

11/06/1984

Progress at the INPI

Under appeal
  1. Filing03/28/84
  2. Publication11/06/84
  3. Examination12/02/86
  4. Refused01/19/93
  5. Grant
  6. In force

The application was refused by the INPI on 01/19/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Albright & Wilson Limited

AU

See this company's full portfolio

Inventors

C. N. (pessoa física)

C. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/08/1988

RPI 942

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Indeferimento

#9.2

01/19/1993

RPI 1155

Conhecimento de parecer técnico

#7.1

02/05/1991

RPI 1053

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