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Official data from INPI

TUBO RESISTENTE À PRESSÃO E PROCESSO PARA SUA FABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8604156

Type

Invention Patent

Filing

08/29/1986

Publication

11/17/1987

Progress at the INPI

  1. Filing08/29/86
  2. Publication11/17/87
  3. Examination10/11/88
  4. Allowance09/15/92
  5. Grant04/27/93
  6. Terminated06/18/96

The patent was granted on 04/27/1993 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

JP

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Inventors

S. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

280082/85 · 12/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

11/17/1987

RPI 891

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Republicação - classificação IPC

#15.11

10/06/1992

RPI 1140

Deferimento

#9.1

09/15/1992

RPI 1137

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