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Official data from INPI

SISTEMA DE INSTALACAO DE UM CABO ELETRICO

Em AnáliseInvention Patent

Application data

Number

PI8000794

Type

Invention Patent

Filing

02/09/1979

Publication

-

Progress at the INPI

  1. Filing02/09/79
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant09/27/83
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 09/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI

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Inventors

M. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

09/15/1987

RPI 882

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

14.1

05/11/1982

RPI 603

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

20.4

05/11/1993

RPI 1171

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