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Official data from INPI

APERFEICOAMENTO RELATIVO A CABOS DE FORCA

ConcedidaInvention Patent

Application data

Number

PI7801325

Type

Invention Patent

Filing

03/16/1977

Publication

-

Progress at the INPI

  1. Filing03/16/77
  2. Publication
  3. Examination
  4. Allowance10/20/81
  5. Grant11/30/82
  6. Terminated06/29/93

The patent was granted on 11/30/1982 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI

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Inventors

B. G. (pessoa física)

S. C. (pessoa física)

T. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

14.1

04/20/1982

RPI 600

Notificação para pagamento de retribuição

#13.1

03/02/1982

RPI 593

Deferimento

#9.1

10/20/1981

RPI 574

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

20.4

10/20/1992

RPI 1142

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