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Official data from INPI

PROCESSO PARA SUPERVISIONAR OS PARÂMETROS DE ATENUAÇÃO (D), DESSIMETRIA (K) E DESSINTONIA (V) DE UM SISTEMA, EM SISTEMAS DE FORÇAS NÃO DIRETAMENTE LIGADOS À TERRA

Em AnáliseInvention Patent

Application data

Number

PI8507285

Type

Invention Patent

Filing

11/15/1985

Publication

11/03/1987

Progress at the INPI

  1. Filing11/15/85
  2. Publication11/03/87
  3. Examination02/09/88
  4. Allowance01/08/91
  5. Grant08/27/91
  6. Terminated08/15/95

The patent was granted on 08/27/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. W. (pessoa física)

DE

Inventors

K. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

SE

8405806-4 · 11/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

04/23/1991

RPI 1064

Deferimento

#9.1

01/08/1991

RPI 1049

Exigência - art. 36 da LPI

#6.1

08/14/1990

RPI 1028

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