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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM TUBO PARA DRENAGEM

Em AnáliseUtility Model

Application data

Number

MU6700118

Type

Utility Model

Filing

01/26/1987

Publication

07/07/1987

Progress at the INPI

  1. Filing01/26/87
  2. Publication07/07/87
  3. Examination10/13/87
  4. Allowance04/23/91
  5. Grant09/24/91
  6. Expired09/18/01

The letters patent expired on 09/18/2001: 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: 10/13/1987. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação antecipada

#3.2

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Carta-patente expirada

#21.1

Patente extinta em 26/01/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

09/24/1991

RPI 1086

100

04/23/1991

RPI 1064

Petição de recurso

#12.2

10/09/1990

RPI 1036

Indeferimento

#9.2

05/15/1990

RPI 1018

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