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Official data from INPI

TUBO CORRUGADO RESISTENTE À PRESSÃO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8906178

Type

Invention Patent

Filing

11/24/1989

Publication

05/15/1990
View on INPI

Progress at the INPI

  1. Filing11/24/89
  2. Publication05/15/90
  3. Examination09/25/90
  4. Allowance06/25/96
  5. Grant09/30/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/21/2013. 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

H02G 3/04

Priority claims

JP

63 299337 · 11/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/11/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

06/25/1996

RPI 1334

Exigência - art. 36 da LPI

#6.1

11/28/1995

RPI 1304

Exigência - art. 36 da LPI

#6.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

Publicação antecipada

#3.2

05/15/1990

RPI 1018

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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