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Official data from INPI

APERFEIÇOAMENTO ESTRUTURAL EM BASES DE PANELAS DE ACIARIA

Em AnáliseInvention Patent

Application data

Number

PI8400372

Type

Invention Patent

Filing

01/26/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing01/26/84
  2. Publication09/03/85
  3. Examination05/13/86
  4. Allowance12/13/88
  5. Grant02/26/91
  6. Terminated12/24/96

The patent was granted on 02/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Togni S/A Materiais Refratários, firma brasileira, industrial e comercial

MG, BR

Inventors

A. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

04/11/1989

RPI 964

Deferimento

#9.1

12/13/1988

RPI 947

Pedido de certificado de adição de invenção

#5.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

14.4

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

02/26/1991

RPI 1056

Notificação para pagamento de retribuição

#13.1

10/23/1990

RPI 1038

110

09/04/1990

RPI 1031

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