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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE TUBO DE PVC, E TUBO DE PVC

ConcedidaInvention Patent

Application data

Number

PI8206083

Type

Invention Patent

Filing

10/19/1982

Publication

09/13/1983

Progress at the INPI

  1. Filing10/19/82
  2. Publication09/13/83
  3. Examination08/27/85
  4. Allowance09/13/88
  5. Grant06/27/89
  6. Terminated01/03/95

The patent was granted on 06/27/1989 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

D. C. (pessoa física)

Technical data

Priority claims

GB

8131949 · 10/22/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

01/03/1989

RPI 950

Deferimento

#9.1

09/13/1988

RPI 934

Exigência - art. 36 da LPI

#6.1

03/08/1988

RPI 907

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

12/14/1982

RPI 634

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B29D 23/04; B29C 55/22; B29C 69/00; B29D 1/00; C08J 9/06; F16L 11/04; C08J 9/00.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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