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Official data from INPI

CAIXA PARA HIDRÔMETRO

Arquivada/ExtintaUtility Model

Application data

Number

MU6902178

Type

Utility Model

Filing

10/25/1989

Publication

07/16/1991

Progress at the INPI

  1. Filing10/25/89
  2. Publication07/16/91
  3. Examination09/22/92
  4. Allowance11/03/93
  5. Grant08/30/94
  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

Fibrav - Fibra de Vidro de Lambari Ltda

MG, BR

Inventors

O. B. (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 25/10/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

09/22/1992

RPI 1138

Publicação do pedido de patente

#3.1

07/16/1991

RPI 1076

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

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