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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE CRISTAIS ULTRAFINOS DE HEMI-HIDRATO DE ÁCIDO FOSFÓRICO

Em AnáliseInvention Patent

Application data

Number

PI8602054

Type

Invention Patent

Filing

05/07/1986

Publication

01/06/1987

Progress at the INPI

  1. Filing05/07/86
  2. Publication01/06/87
  3. Examination05/26/87
  4. Allowance03/24/92
  5. Abandoned
  6. In force

The application was allowed on 03/24/1992 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 05/26/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Freeport Research and Development Company

US

Freeport Research And Engineering Company

Inventors

J. T. (pessoa física)

US

P. M. (pessoa física)

US

V. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

731.969 · 05/08/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/26/1987

RPI 866

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Arquivamento - Art. 38 §2° da LPI

#11.4

01/12/1993

RPI 1154

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/24/1992

RPI 1112

Exigência - art. 36 da LPI

#6.1

08/13/1991

RPI 1080

Exigência - art. 36 da LPI

#6.1

02/13/1991

RPI 1054

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