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Official data from INPI

CONDUTO ENTERRADO DE GRANDE SEÇÃO

DeferidaInvention Patent

Application data

Number

PI8506825

Type

Invention Patent

Filing

07/15/1985

Publication

10/27/1987

Progress at the INPI

  1. Filing07/15/85
  2. Publication10/27/87
  3. Examination
  4. Allowance09/26/89
  5. Grant05/29/90
  6. Terminated08/15/95

The patent was granted on 05/29/1990 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. M. (pessoa física)

FR

Inventors

M. M. (pessoa física)

FR

Technical data

Priority claims

FR

84 11173 · 07/13/1984

FR

84 16811 · 11/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

14.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1986

RPI 840

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F16L 9/22; E21D 11/08; E03F 3/04; E02D 29/04.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/23/1990

RPI 1003

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