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Official data from INPI

DISPOSITIVO MECÂNICO PARA AS LATERAIS DOS BRAÇOS PEGADORES DE BOBINAS DE AÇO

PublicadaUtility Model

Application data

Number

MU6800706

Type

Utility Model

Filing

04/06/1988

Publication

11/07/1989

Progress at the INPI

  1. Filing04/06/88
  2. Publication11/07/89
  3. Examination08/21/90
  4. Allowance05/11/93
  5. Grant11/30/93
  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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

See this company's full portfolio

Inventors

P. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/07/1989

RPI 994

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 06/04/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

11/30/1993

RPI 1200

Notificação para pagamento de retribuição

#13.1

09/21/1993

RPI 1190

Deferimento

#9.1

05/11/1993

RPI 1171

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

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