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Official data from INPI

CADEIRA-ESCADA.

ConcedidaUtility Model

Application data

Number

MU6201518

Type

Utility Model

Filing

11/08/1982

Publication

04/26/1983

Progress at the INPI

  1. Filing11/08/82
  2. Publication04/26/83
  3. Examination09/06/83
  4. Allowance05/27/86
  5. Grant12/30/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Britânica Eletro Domésticos S/A

Inventors

B. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Publicação antecipada

#3.2

04/26/1983

RPI 653

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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