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Official data from INPI

PROCESSO DE PRODUÇÃO DE UM SÓLIDO CERÂMICO SUPERCONDUTOR CONSTITUÍDO POR ÓXIDOS METÁLICOS; COMPOSIÇÃO ÓXIDO METÁLICA; E PARTÍCULAS ESFEROIDAIS

PublicadaInvention Patent

Application data

Number

PI8804615

Type

Invention Patent

Filing

09/08/1988

Publication

04/18/1989

Progress at the INPI

  1. Filing09/08/88
  2. Publication04/18/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/08/1988 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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W R Grace & Co -Conn

US

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Inventors

N. S. (pessoa física)

W. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

095.084 · 09/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Arquivamento - Art. 33 da LPI

#11.1

10/08/1991

RPI 1088

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