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Official data from INPI

ISOLAMENTO TÉRMICO DE ALTA EFICIÊNCIA E EQUIPAMENTO PARA SUA APLICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8704877

Type

Invention Patent

Filing

09/23/1987

Publication

03/28/1989

Progress at the INPI

  1. Filing09/23/87
  2. Publication03/28/89
  3. Examination11/14/89
  4. Allowance11/13/90
  5. Grant07/30/91
  6. Terminated06/25/96

The patent was granted on 07/30/1991 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mangels Industrial S/A

SP, BR

See this company's full portfolio

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

03/28/1989

RPI 962

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

02/26/1991

RPI 1056

Deferimento

#9.1

11/13/1990

RPI 1041

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