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Official data from INPI

PROCESSO PARA ELETRODEPOSICAO DE CROMO SOBRE UM SUBSTRATO CONDUTOR E PROCESSO PARA REJUVENECER UM ELETROLITO AQUOSO ACIDO DE CROMO TRIVALENTE

ArquivadaInvention Patent
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Application data

Number

PI8300091

Type

Invention Patent

Filing

01/11/1982

Publication

09/20/1983
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Progress at the INPI

  1. Filing01/11/82
  2. Publication09/20/83
  3. Abandoned01/10/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OCCIDENTAL CHEM CO [US]

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Inventors

R. L. (pessoa física)

T. (pessoa física)

T. A. (pessoa física)

Z. T. (pessoa física)

Technical data

IPC Classification

C25D 21/18C25D 3/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/02/1988

RPI 902

Exigência - art. 36 da LPI

#6.1

07/28/1987

RPI 875

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

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