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Official data from INPI

CORUNDO SINTERIZADO COLORIDO, PROCESSO PARA A SUA PREPARAÇÃO, E EMPREGO

ArquivadaInvention Patent

Application data

Number

PI9202845

Type

Invention Patent

Filing

07/23/1992

Publication

03/30/1993

Progress at the INPI

  1. Filing07/23/92
  2. Publication03/30/93
  3. Abandoned07/04/95
  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.

Talk to a specialist

Latest action published by the INPI: 05/16/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H.C. Starck Gmbh & Co. Kg.

DE

Korund Laufenburg GMBH

DE

See this company's full portfolio

Inventors

D. F. (pessoa física)

DE

D. W. (pessoa física)

DE

D. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 41 24 630.6 · 07/25/1991

Abstract

A invenção refere-se a um corundo colorido contendo óxidos de metais, processo para a sua preparação, bem como o seu emprego.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/16/2000

RPI 1532

Exigência - art. 36 da LPI

#6.1

06/29/1999

RPI 1486

Transferência deferida

#25.1

Transferido de: H. C. Starck GMBH & Co. Kg

05/11/1999

RPI 1479

Solicitação de exame técnico

#4.1

07/04/1995

RPI 1283

Publicação do pedido de patente

#3.1

03/30/1993

RPI 1165

Pedido de patente depositado

#2.1

09/01/1992

RPI 1135

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