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Official data from INPI

SISTEMA DISPENSADOR DE ESPUMA E PROCESSO DE CONTROLAR TEOR DE GÁS DE MATERIAL ESPUMAVEL DISPENSADO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005842

Type

Invention Patent

Filing

11/19/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing11/19/90
  2. Publication09/24/91
  3. Examination04/14/92
  4. Allowance11/24/98
  5. Grant04/27/99
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

US

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Inventors

J. L. (pessoa física)

US

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

439.251 · 11/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B67D 5/08; B29C 67/20.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 19/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

04/27/1999

RPI 1477

Deferimento

#9.1

11/24/1998

RPI 1455

Exigência - art. 36 da LPI

#6.1

04/30/1996

RPI 1326

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/21/1991

RPI 1068

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