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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE SULFATO DE ESTANHO-II

Prazo de SigiloInvention Patent

Application data

Number

PI8903047

Type

Invention Patent

Filing

06/22/1989

Publication

02/06/1990

Progress at the INPI

  1. Filing06/22/89
  2. Publication02/06/90
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 06/22/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. B. (pessoa física)

D. W. (pessoa física)

DE

J. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3821133.5 · 06/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/08/1989

RPI 981

Arquivamento - Art. 33 da LPI

#11.1

12/22/1992

RPI 1151

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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