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Official data from INPI

TUBO REVESTIDO E PROCESSO DE REVESTIMENTO DE UM TUBO

DeferidaInvention Patent

Application data

Number

PI8406218

Type

Invention Patent

Filing

12/05/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing12/05/84
  2. Publication10/01/85
  3. Examination05/19/87
  4. Allowance09/26/89
  5. Grant04/24/90
  6. Terminated07/04/95

The patent was granted on 04/24/1990 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

N. T. (pessoa física)

JP

Inventors

N. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

229.061/83 · 12/06/1983

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

05/02/1989

RPI 967

14.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

05/19/1987

RPI 865

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Republicação - classificação IPC

#15.11

09/24/1991

RPI 1086

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/23/1990

RPI 1003

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