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Official data from INPI

COMPARTIMENTO DE CARGA

Prazo de SigiloUtility Model

Application data

Number

MU6800445

Type

Utility Model

Filing

03/08/1988

Publication

04/16/1991

Progress at the INPI

  1. Filing03/08/88
  2. Publication04/16/91
  3. Examination07/02/91
  4. Allowance01/25/94
  5. Grant10/25/94
  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.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. T. (pessoa física)

SP, BR

S. S. (pessoa física)

SP, BR

Inventors

A. T. (pessoa física)

BR

S. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/24/1988

RPI 918

Carta-patente expirada

#21.1

Patente extinta em 08/03/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/17/1994

RPI 1224

Deferimento

#9.1

01/25/1994

RPI 1208

Solicitação de exame técnico

#4.1

07/02/1991

RPI 1074

Publicação do pedido de patente

#3.1

04/16/1991

RPI 1063

14.8

12/04/1990

RPI 1044

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