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Official data from INPI

PROCESSO PARA O AUMENTO DO NUMERO DE COMBINACOES NA CONFORMACAO DE FECHADURAS DE SEGURANCA E SUAS CHAVES BEM COMO CHAVE E FECHADURA FABRICADAS PELO PROCESSO

Concessão AnuladaInvention Patent

Application data

Number

PI7905377

Type

Invention Patent

Filing

08/22/1978

Publication

-

Progress at the INPI

  1. Filing08/22/78
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant11/29/83
  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: 02/14/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BERCHTOLD AG

Inventors

V. B. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

02/14/1984

RPI 695

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

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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