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Official data from INPI

CABO PARA BAIXAS TENSOES COM ISOLANTE APERFEICOADO

Em AnáliseInvention Patent

Application data

Number

PI8007440

Type

Invention Patent

Filing

11/15/1979

Publication

-

Progress at the INPI

  1. Filing11/15/79
  2. Publication
  3. Examination06/21/83
  4. Allowance04/24/84
  5. Grant11/27/84
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi S.P.A

IT

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Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

10/25/1988

RPI 940

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

11/22/1983

RPI 683

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

14.1

05/18/1982

RPI 604

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

20.4

08/04/1992

RPI 1131

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