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Official data from INPI

COJUNTO DE LAMPADA DE LEITURA

ConcedidaUtility Model

Application data

Number

MU6400004

Type

Utility Model

Filing

01/04/1984

Publication

05/02/1984

Progress at the INPI

  1. Filing01/04/84
  2. Publication05/02/84
  3. Examination09/04/84
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Expired10/04/94

The letters patent expired on 10/04/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DAIMLER BENZ BRASIL [BR]

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Inventors

F. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Solicitação de exame técnico

#4.1

09/04/1984

RPI 724

Publicação antecipada

#3.2

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

03/20/1984

RPI 700

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B60Q 3/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

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