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Official data from INPI

APARELHO PARA AQUECIMENTO E/OU SECAGEM DE MATERIAL COMINUÍDO ÚMIDO

Arquivada/ExtintaInvention PatentPCT · DK1987000163

Application data

Number

PI8708001

Type

Invention Patent

Filing

12/28/1987

Publication

10/16/1990

PCT

DK1987000163

Progress at the INPI

  1. Filing12/28/87
  2. Publication10/16/90
  3. Examination07/16/91
  4. Allowance09/15/92
  5. Grant04/27/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. U. (pessoa física)

DK

Inventors

H. U. (pessoa física)

DK

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/15/1992

RPI 1137

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

Notificação de entrada na fase nacional - PCT

#1.3

10/16/1990

RPI 1037

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