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Official data from INPI

REFLETOR DE LAMPADA PARA VEICULO A MOTOR

Em AnáliseInvention Patent
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Application data

Number

PI7803848

Type

Invention Patent

Filing

06/17/1977

Publication

-
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Progress at the INPI

  1. Filing06/17/77
  2. Publication
  3. Examination
  4. Allowance04/12/83
  5. Grant10/25/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUCAS INDUSTRIES LTD

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Inventors

D. G. (pessoa física)

Technical data

IPC Classification

F21V 7/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

01/26/1988

RPI 901

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

Pedido de licença compulsória

#20.1

09/25/1990

RPI 1034

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