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Official data from INPI

TUBO CONTÍNUO FLEXÍVEL PARA DRENAGEM

Em AnáliseUtility Model
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Application data

Number

MU6600415

Type

Utility Model

Filing

03/26/1986

Publication

06/24/1986
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Progress at the INPI

  1. Filing03/26/86
  2. Publication06/24/86
  3. Examination08/19/86
  4. Allowance05/02/89
  5. Grant01/09/90
  6. Expired09/17/96

The letters patent expired on 09/17/1996: 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: 09/05/1989. 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

F16L 11/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Publicação antecipada

#3.2

06/24/1986

RPI 818

Pedido de patente depositado

#2.1

06/17/1986

RPI 817

Carta-patente expirada

#21.1

09/17/1996

RPI 1346

Concessão da patente

#16.1

01/09/1990

RPI 1001

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