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Official data from INPI

DISPOSITIVO PARA O FECHAMENTO DE MALOTES

Em AnáliseInvention Patent

Application data

Number

PI7707028

Type

Invention Patent

Filing

10/20/1977

Publication

-

Progress at the INPI

  1. Filing10/20/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  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: 03/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NETTO E

Inventors

N. E. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/24/1987

RPI 857

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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