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Official data from INPI

FRASCO ISOLANTE TÉRMICO PARA LÍQUIDOS

Prazo de SigiloUtility Model

Application data

Number

MU6901822

Type

Utility Model

Filing

09/12/1989

Publication

07/09/1991

Progress at the INPI

  1. Filing09/12/89
  2. Publication07/09/91
  3. Examination11/05/91
  4. Allowance05/03/94
  5. Grant11/29/94
  6. Invalidated11/14/95

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

RJ, BR

Unipat, Inc.

US

Inventors

R. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

12/05/1989

RPI 998

200

11/14/1995

RPI 1302

Pedido de licença voluntária

#17.1

06/13/1995

RPI 1280

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/30/1994

RPI 1239

Deferimento

#9.1

05/03/1994

RPI 1222

14.1

01/12/1993

RPI 1154

14.3

09/08/1992

RPI 1136

Solicitação de exame técnico

#4.1

11/05/1991

RPI 1092

Publicação do pedido de patente

#3.1

07/09/1991

RPI 1075

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