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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DICROMATOS DE METAL ALCALINO E ÁCIDO CRÔMICO

ArquivadaInvention Patent
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Application data

Number

PI8904255

Type

Invention Patent

Filing

08/24/1989

Publication

04/10/1990
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Progress at the INPI

  1. Filing08/24/89
  2. Publication04/10/90
  3. Examination06/09/92
  4. Allowance10/28/97
  5. Abandoned
  6. In force

The application was allowed on 10/28/1997 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 06/22/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

D. K. (pessoa física)

DE

H. B. (pessoa física)

N. L. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

C01G 37/033C01G 37/14C25B 11/08C25B 1/14C25B 1/22

Priority claims

DE

P3829119.3 · 08/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º LPI.

06/22/1999

RPI 1485

Deferimento

#9.1

10/28/1997

RPI 1404

Exigência - art. 36 da LPI

#6.1

08/27/1996

RPI 1343

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

Pedido de patente depositado

#2.1

01/16/1990

RPI 1002

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