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Official data from INPI

SISTEMA PARA SUBIR E BAIXAR TRILHO DE CORTINA

Em AnáliseUtility Model

Application data

Number

MU6501732

Type

Utility Model

Filing

11/07/1985

Publication

07/01/1986

Progress at the INPI

  1. Filing11/07/85
  2. Publication07/01/86
  3. Examination09/09/86
  4. Allowance05/09/89
  5. Grant01/09/90
  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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. B. (pessoa física)

RJ, BR

Inventors

L. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

11/29/1988

RPI 945

Solicitação de exame técnico

#4.1

09/09/1986

RPI 829

Publicação antecipada

#3.2

07/01/1986

RPI 819

Pedido de patente depositado

#2.1

03/11/1986

RPI 803

Carta-patente expirada

#21.1

12/19/1995

RPI 1307

Concessão da patente

#16.1

01/09/1990

RPI 1001

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