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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM BENGALA PARA CEGO

Arquivada/ExtintaUtility Model

Application data

Number

MU6901993

Type

Utility Model

Filing

09/28/1989

Publication

07/09/1991

Progress at the INPI

  1. Filing09/28/89
  2. Publication07/09/91
  3. Examination09/24/91
  4. Allowance07/14/92
  5. Grant03/30/93
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 11/20/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. S. (pessoa física)

SP, BR

Inventors

F. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/09/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

12/01/1992

RPI 1148

Deferimento

#9.1

07/14/1992

RPI 1128

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

Publicação do pedido de patente

#3.1

07/09/1991

RPI 1075

Pedido de patente depositado

#2.1

01/16/1990

RPI 1002

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