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Official data from INPI

INSTALAÇÕES EM TELHADOS

ConcedidaInvention Patent

Application data

Number

PI8507268

Type

Invention Patent

Filing

10/31/1985

Publication

10/27/1987

Progress at the INPI

  1. Filing10/31/85
  2. Publication10/27/87
  3. Examination07/12/88
  4. Allowance05/23/89
  5. Grant11/28/89
  6. Terminated10/03/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. M. (pessoa física)

GB

Inventors

B. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8427594 · 11/01/1984

GB

8431156 · 12/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Solicitação de exame técnico

#4.1

07/12/1988

RPI 925

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F24J 2/04; E04D 13/18; F24J 2/32.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

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