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Official data from INPI

VASO TROCADOR DE CALOR MODULÁVEL

PublicadaUtility Model

Application data

Number

MU6702842

Type

Utility Model

Filing

12/21/1987

Publication

08/08/1989

Progress at the INPI

  1. Filing12/21/87
  2. Publication08/08/89
  3. Examination09/24/91
  4. Allowance07/27/93
  5. Grant06/28/94
  6. Terminated10/31/95

The patent was granted on 06/28/1994 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. W. (pessoa física)

SP, BR

Inventors

M. W. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/08/1989

RPI 981

Pedido de patente depositado

#2.1

04/19/1988

RPI 913

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

01/18/1994

RPI 1207

Deferimento

#9.1

07/27/1993

RPI 1182

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

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