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Official data from INPI

INSTALAÇÃO DE ROTOR PARA UM SEPARADOR ROTATIVO DE FLUXO AXIAL, SEPARADOR ROTATIVO DE FLUXO AXIAL, E, INSTALAÇÃO DE ALIMENTAÇÃO DE SEPARADOR

DeferidaInvention Patent

Application data

Number

PI8504135

Type

Invention Patent

Filing

08/28/1985

Publication

06/17/1986

Progress at the INPI

  1. Filing08/28/85
  2. Publication06/17/86
  3. Examination08/02/88
  4. Allowance11/07/89
  5. Grant06/26/90
  6. Terminated08/08/95

The patent was granted on 06/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

US

See this company's full portfolio

Inventors

D. L. (pessoa física)

US

J. H. (pessoa física)

US

M. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

646.346 · 08/29/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/07/1989

RPI 994

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

08/02/1988

RPI 928

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

11/12/1985

RPI 786

Anuidade - prazo legal encerrado

#18.2

08/08/1995

RPI 1288

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/13/1990

RPI 1009

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