(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DISPOSITIVO PARA LIMPEZA DE PEÇAS MECÂNICAS

Em AnáliseUtility Model

Application data

Number

MU6501854

Type

Utility Model

Filing

11/26/1985

Publication

06/23/1987

Progress at the INPI

  1. Filing11/26/85
  2. Publication06/23/87
  3. Examination05/09/89
  4. Allowance11/12/91
  5. Grant08/04/92
  6. Expired12/19/95

The letters patent expired on 12/19/1995: 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: 05/09/1989. 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

H. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

4.2.1

01/31/1989

RPI 954

Solicitação de exame não realizada

#4.2

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

06/23/1987

RPI 870

Pedido de patente depositado

#2.1

03/25/1986

RPI 805

Carta-patente expirada

#21.1

12/19/1995

RPI 1307

Concessão da patente

#16.1

08/04/1992

RPI 1131

Notificação para pagamento de retribuição

#13.1

03/31/1992

RPI 1113

Deferimento

#9.1

11/12/1991

RPI 1093

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

Exigência - art. 36 da LPI

#6.1

12/18/1990

RPI 1046

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.