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Official data from INPI

COMPOSIÇÃO PARA A FORMAÇÃO DE CERÂMICAS SUPERCONDUTORAS; MÉTODO PARA A FORMAÇÃO DE PRODUTOS SÓLIDOS SUPERCONDUTORES PERFILADOS; SÓLIDO CERÂMICO INTEGRAL; E SÓLIDO INTEGRAL

Prazo de SigiloInvention Patent

Application data

Number

PI8804521

Type

Invention Patent

Filing

09/02/1988

Publication

04/24/1990

Progress at the INPI

  1. Filing09/02/88
  2. Publication04/24/90
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/02/1988 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W R Grace & Co -Conn

US

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Inventors

C. L. (pessoa física)

J. R. (pessoa física)

N. S. (pessoa física)

W. P. (pessoa física)

Technical data

Priority claims

US

155.341 · 02/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Arquivamento - Art. 33 da LPI

#11.1

11/24/1992

RPI 1147

Publicação do pedido de patente

#3.1

04/24/1990

RPI 1015

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