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Official data from INPI

PROCESSO PARA CONTROLAR A FREGUÊNCIA DE PULSO DE UM PRECIPITADOR ELETROSTÁTICO ENERGIZADO POR UMA TENSÃO CONTÍNUA SUPERPOSTA A UM PULSO.

Em AnáliseInvention Patent

Application data

Number

PI8506199

Type

Invention Patent

Filing

12/11/1985

Publication

08/26/1986

Progress at the INPI

  1. Filing12/11/85
  2. Publication08/26/86
  3. Examination04/26/88
  4. Allowance07/24/90
  5. Abandoned
  6. In force

The application was allowed on 07/24/1990 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F.L. Smidth, S.A., Comércio e Indústria

SP, BR

See this company's full portfolio

Inventors

H. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8431293 · 12/12/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

02/25/1986

RPI 801

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

Notificação para pagamento de retribuição

#13.1

11/06/1990

RPI 1040

Deferimento

#9.1

07/24/1990

RPI 1025

Exigência - art. 36 da LPI

#6.1

01/16/1990

RPI 1002

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