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Official data from INPI

PROCESSO PARA DESTRUIR REFUGOS PERIGOSOS

Em AnáliseInvention Patent

Application data

Number

PI8501686

Type

Invention Patent

Filing

04/10/1985

Publication

04/22/1986

Progress at the INPI

  1. Filing04/10/85
  2. Publication04/22/86
  3. Examination08/05/86
  4. Allowance09/25/90
  5. Grant03/26/91
  6. Terminated07/25/95

The patent was granted on 03/26/1991 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: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SKF Steel Engineering Ab, companhia sueca

SE

Inventors

J. M. (pessoa física)

SE

L. B. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

84 04 764-6 · 09/21/1984

SE

84 06 090-4 · 12/03/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Anuidade - prazo legal encerrado

#18.2

07/25/1995

RPI 1286

Republicação - classificação IPC

#15.11

06/04/1991

RPI 1070

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

01/08/1991

RPI 1049

Deferimento

#9.1

09/25/1990

RPI 1034

Exigência - art. 36 da LPI

#6.1

05/01/1990

RPI 1016

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