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Official data from INPI

INJETOR-DOSADOR PNEUMÁTICO DE LEITO FLUIDIZADO DENSO.

Em AnáliseInvention Patent

Application data

Number

PI8700292

Type

Invention Patent

Filing

01/23/1987

Publication

08/02/1988

Progress at the INPI

  1. Filing01/23/87
  2. Publication08/02/88
  3. Examination08/15/89
  4. Allowance06/05/90
  5. Grant12/26/90
  6. Terminated03/10/92

The patent was granted on 12/26/1990 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. L. (pessoa física)

SP, BR

Inventors

G. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/15/1989

RPI 982

Publicação do pedido de patente

#3.1

08/02/1988

RPI 928

Pedido de patente depositado

#2.1

05/26/1987

RPI 866

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

09/18/1990

RPI 1033

Deferimento

#9.1

06/05/1990

RPI 1021

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