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Official data from INPI

CONJUNTO DE FAROL DE GRANDE CONTRASTE

Em AnáliseInvention Patent
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Application data

Number

PI7903351

Type

Invention Patent

Filing

05/30/1978

Publication

-
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Progress at the INPI

  1. Filing05/30/78
  2. Publication
  3. Examination
  4. Allowance05/31/83
  5. Grant11/29/83
  6. Expired07/26/94

The letters patent expired on 07/26/1994: 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: 01/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUCAS INDUSTRIES LTD

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Inventors

G. S. (pessoa física)

Technical data

IPC Classification

B60Q 1/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.4

01/05/1988

RPI 898

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Exigência - art. 36 da LPI

#6.1

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

Pedido de licença compulsória

#20.1

09/25/1990

RPI 1034

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