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Official data from INPI

UNIDADE DE CARGA DE RECIPIENTES TUBULARES

Arquivada/ExtintaUtility Model

Application data

Number

MU7000336

Type

Utility Model

Filing

02/20/1990

Publication

10/01/1991

Progress at the INPI

  1. Filing02/20/90
  2. Publication10/01/91
  3. Examination12/28/93
  4. Allowance06/27/95
  5. Grant04/30/96
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas do Estado de São Paulo

SP, BR

Instituto de Pesquisas Tecnológicas do Estado de São Paulo S/A - IPT

SP, BR

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Inventors

E. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/02/2000

07/01/2008

RPI 1956

Concessão da patente

#16.1

04/30/1996

RPI 1326

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

15.17

11/01/1994

RPI 1248

Retificação

#15.3

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

10/01/1991

RPI 1087

Pedido de patente depositado

#2.1

06/26/1990

RPI 1024

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