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Official data from INPI

CANO SUBTERRÂNEO DE RESINA SINTÉTICA COM CAPACIDADE DE SUPORTAR ALTAS PRESSÕES

DeferidaInvention Patent

Application data

Number

PI8600761

Type

Invention Patent

Filing

02/24/1986

Publication

11/04/1986

Progress at the INPI

  1. Filing02/24/86
  2. Publication11/04/86
  3. Examination03/04/87
  4. Allowance09/26/89
  5. Grant05/29/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used 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

S. K. (pessoa física)

JP

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Inventors

S. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

123191/85 · 08/09/1985

JP

123192/85 · 08/09/1985

JP

123193/85 · 08/09/1985

JP

191581 · 12/12/1985

JP

26173/85 · 02/25/1985

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

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

03/04/1987

RPI 854

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Carta-patente expirada

#21.1

Patente extinta em 24/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/23/1990

RPI 1003

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