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Official data from INPI

DISPOSITIVO DE GUIA ANTI-DESGASTE PARA SUSPENSÕES PRIMÁRIAS DE TRUQUES FERROVIÁRIOS

Em AnáliseUtility Model

Application data

Number

MU6501630

Type

Utility Model

Filing

10/22/1985

Publication

12/23/1986

Progress at the INPI

  1. Filing10/22/85
  2. Publication12/23/86
  3. Examination02/14/89
  4. Allowance10/09/90
  5. Grant05/28/91
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SO.C.I.MI. Societá Costruzioni Industriali Milano S.p.A.

IT

Inventors

A. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

23 581 B/84 · 10/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/14/1989

RPI 956

Publicação do pedido de patente

#3.1

12/23/1986

RPI 844

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

01/22/1991

RPI 1051

Deferimento

#9.1

10/09/1990

RPI 1036

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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