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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM CONDUTO FLEXÍVEL PARA AR, DE DIÂMETRO VARIÁVEL

Em AnáliseUtility Model
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Application data

Number

MU6600417

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. Allowance06/20/89
  5. Grant02/06/90
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 10/17/1989. 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 11/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/17/1989

RPI 991

Deferimento

#9.1

06/20/1989

RPI 974

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

03/26/1996

RPI 1321

Concessão da patente

#16.1

02/06/1990

RPI 1005

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