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Official data from INPI

QUADRO BRANCO DE VIDRO

ConcedidaUtility Model

Application data

Number

MU6100193

Type

Utility Model

Filing

02/12/1981

Publication

09/21/1982

Progress at the INPI

  1. Filing02/12/81
  2. Publication09/21/82
  3. Examination03/01/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PHILIPS BRASIL LTD [BR]

Inventors

M. V. (pessoa física)

O. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

03/01/1983

RPI 645

Publicação do pedido de patente

#3.1

09/21/1982

RPI 622

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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