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Official data from INPI

processo de formar uma tira ou asa abridora para fechar uma abertura no painel central de um fecho de extremidade de recipiente de chapa de metal.

Em AnáliseInvention Patent

Application data

Number

PI7702440

Type

Invention Patent

Filing

04/18/1977

Publication

-

Progress at the INPI

  1. Filing04/18/77
  2. Publication
  3. Examination
  4. Allowance09/08/82
  5. Grant03/29/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Can Company

US

See this company's full portfolio

Inventors

C. R. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

08/08/1989

RPI 981

20.4

07/12/1988

RPI 925

Pedido de licença compulsória

#20.1

07/05/1988

RPI 924

Pedido de licença compulsória

#20.1

06/28/1988

RPI 923

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

01/19/1982

RPI 587

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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