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Official data from INPI

EQUIPAMENTO PARA INCINERAÇÃO DE MATERIAIS ORGÂNICOS

Prazo de SigiloInvention Patent

Application data

Number

PI8802633

Type

Invention Patent

Filing

05/25/1988

Publication

01/09/1990

Progress at the INPI

  1. Filing05/25/88
  2. Publication01/09/90
  3. Examination10/02/90
  4. Allowance11/09/93
  5. Grant03/29/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Umwelt-Equipamentos de Tecnologia Ambiental e Energéticos Ltda

RS, BR

See this company's full portfolio

Inventors

W. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 25/05/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/29/1994

RPI 1217

100

11/09/1993

RPI 1197

Petição de recurso

#12.2

06/15/1993

RPI 1176

Indeferimento

#9.2

11/17/1992

RPI 1146

Pedido de certificado de adição de invenção

#5.1

01/29/1991

RPI 1052

Pedido de certificado de adição de invenção

#5.1

01/02/1991

RPI 1048

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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