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Official data from INPI

METODO DE PREPARACAO DE UM CABO COAXIAL COM BAIXO NIVEL DE DIAFONIA

Em AnáliseInvention Patent

Application data

Number

PI7901053

Type

Invention Patent

Filing

02/21/1978

Publication

-

Progress at the INPI

  1. Filing02/21/78
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant
  6. Terminated06/24/86

The patent was granted and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS SPA ITALIANA

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

22.9

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

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