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Official data from INPI

APERFEIÇOAMENTO EM FAROIS PARA USO EM VEICULOS AUTOMOTORES E USO EM GERAL

Em AnáliseInvention Patent

Application data

Number

PI7904913

Type

Invention Patent

Filing

07/31/1979

Publication

-

Progress at the INPI

  1. Filing07/31/79
  2. Publication
  3. Examination
  4. Allowance
  5. Grant04/26/83
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide do Brasil Ltda.

SP, BR

Inventors

B. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/09/1988

RPI 903

20.4

03/10/1987

RPI 855

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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