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Official data from INPI

PROCESSO E DISPOSITIVO PARA ENROLAMENTO INICIAL DE FIO

ConcedidaInvention Patent

Application data

Number

PI7703041

Type

Invention Patent

Filing

05/11/1976

Publication

-

Progress at the INPI

  1. Filing05/11/76
  2. Publication
  3. Examination
  4. Allowance03/16/82
  5. Grant11/09/82
  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: 11/09/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHLAFHORST & CO W

Inventors

G. H. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/09/1982

RPI 629

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Deferimento

#9.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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