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Official data from INPI

DISPOSITIVO PARA O AFERROLHAMENTO DE TUBOS SOBRE UMA CHAPA COLETORA DE UM INTERCAMBIADOR DE CALOR

Em ExigênciaInvention Patent

Application data

Number

PI8601100

Type

Invention Patent

Filing

03/15/1985

Publication

11/25/1986

Progress at the INPI

Awaiting grant fee payment
  1. Filing03/15/85
  2. Publication11/25/86
  3. Examination11/01/88
  4. Allowance10/30/90
  5. Grant
  6. In force

The application was allowed by the INPI on 10/30/1990. The grant of the letters patent is being processed.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CHAUSSON USINES SA [FR]

Inventors

A. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/26/1989

RPI 988

Solicitação de exame técnico

#4.1

11/01/1988

RPI 941

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Retificação

#15.3

02/19/1991

RPI 1055

Deferimento

#9.1

10/30/1990

RPI 1039

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