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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM CAIXA TÉRMICA

Prazo de SigiloUtility Model

Application data

Number

MU6801624

Type

Utility Model

Filing

08/01/1988

Publication

03/20/1990

Progress at the INPI

  1. Filing08/01/88
  2. Publication03/20/90
  3. Examination03/31/92
  4. Allowance06/22/93
  5. Grant03/29/94
  6. Expired09/25/01

The letters patent expired on 09/25/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Termolar S/A

RS, BR

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Inventors

J. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 01/08/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

11/09/1993

RPI 1197

Deferimento

#9.1

06/22/1993

RPI 1177

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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