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Official data from INPI

MÉTODO DE PRODUÇÃO DE FIO DE CERÂMICA SUPERCONDUTOR

ArquivadaInvention Patent

Application data

Number

PI8905840

Type

Invention Patent

Filing

11/20/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/20/89
  2. Publication06/12/90
  3. Examination10/16/90
  4. Allowance10/07/97
  5. Abandoned
  6. In force

The application was allowed on 10/07/1997 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 06/22/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Electric Industries, Ltd

JP

See this company's full portfolio

Inventors

G. T. (pessoa física)

M. O. (pessoa física)

T. K. (pessoa física)

T. O. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

259828/1989 · 10/04/1989

JP

292210/1988 · 11/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º LPI.

06/22/1999

RPI 1485

Republicação - classificação IPC

#15.11

10/07/1997

RPI 1401

Deferimento

#9.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

10/22/1996

RPI 1351

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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