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Official data from INPI

TUBO FLEXÍVEL PARA DRENAGEM

PublicadaUtility Model

Application data

Number

MU6900498

Type

Utility Model

Filing

04/03/1989

Publication

08/01/1989

Progress at the INPI

  1. Filing04/03/89
  2. Publication08/01/89
  3. Examination05/15/90
  4. Allowance06/01/93
  5. Grant10/26/93
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

JP

See this company's full portfolio

Inventors

S. K. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

08/01/1989

RPI 980

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Carta-patente expirada

#21.1

Patente extinta em 03/04/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

10/26/1993

RPI 1195

Deferimento

#9.1

06/01/1993

RPI 1174

Solicitação de exame técnico

#4.1

05/15/1990

RPI 1018

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