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Official data from INPI

DISPOSITIVO PARA DRESSAGEM DE REBOLO

Em AnáliseInvention Patent

Application data

Number

PI8700106

Type

Invention Patent

Filing

01/13/1987

Publication

08/02/1988

Progress at the INPI

  1. Filing01/13/87
  2. Publication08/02/88
  3. Examination10/04/88
  4. Allowance11/01/94
  5. Grant07/25/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - Usiminas

MG, BR

See this company's full portfolio

Inventors

I. C. (pessoa física)

BR

M. Q. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

08/02/1988

RPI 928

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Carta-patente expirada

#21.1

Patente extinta em 13/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

03/07/1995

RPI 1266

Deferimento

#9.1

11/01/1994

RPI 1248

Exigência - art. 36 da LPI

#6.1

04/19/1994

RPI 1220

Exigência - art. 36 da LPI

#6.1

09/08/1993

RPI 1188

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