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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM PRÉ-RESFRIADOR TUBULAR

DeferidaUtility Model
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Application data

Number

MU6600598

Type

Utility Model

Filing

04/17/1986

Publication

03/31/1987
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Progress at the INPI

  1. Filing04/17/86
  2. Publication03/31/87
  3. Examination09/13/88
  4. Allowance10/03/89
  5. Grant08/28/90
  6. Terminated11/14/95

The patent was granted on 08/28/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Silvia Anderson Romeiro e Solange Calixo Burgos Barioni.

SP, BR

Inventors

S. R. (pessoa física)

BR

S. B. (pessoa física)

BR

Technical data

IPC Classification

F28D 1/047

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

09/13/1988

RPI 934

14.1

04/26/1988

RPI 914

Publicação antecipada

#3.2

03/31/1987

RPI 858

Pedido de patente depositado

#2.1

01/13/1987

RPI 847

Anuidade - prazo legal encerrado

#18.2

11/14/1995

RPI 1302

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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