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Official data from INPI

PENEIRA DE DISCO DO TIPO TENDO UM LEITO DE PENEIRAMENTO DEFENIDO POR EIXOS ROTATIVOS DE DISCOS DE PENEIRAMENTO E PROCESSO DE PENEIRAMENTO DE MATERIAL EM PARTÍCULAS

Arquivada/ExtintaInvention PatentPCT · US1986000838

Application data

Number

PI8607358

Type

Invention Patent

Filing

04/24/1986

Publication

08/15/1989

PCT

US1986000838

Progress at the INPI

  1. Filing04/24/86
  2. Publication08/15/89
  3. Examination04/10/90
  4. Allowance08/06/91
  5. Grant04/28/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

J. B. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 24/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

12/03/1991

RPI 1096

Deferimento

#9.1

08/06/1991

RPI 1079

Exigência - art. 36 da LPI

#6.1

11/06/1990

RPI 1040

Solicitação de exame técnico

#4.1

04/10/1990

RPI 1013

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