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Official data from INPI

CARREGADOR DE ONDAS DE PRESSÃO, DE MARCHA LIVRE, PARA O ACIONAMENTO PELA CORRENTE DO GÁS DE ESCAPE DE UM MOTOR DE COMBUSTÃO.

PublicadaInvention Patent

Application data

Number

PI8700920

Type

Invention Patent

Filing

02/26/1987

Publication

12/22/1987

Progress at the INPI

  1. Filing02/26/87
  2. Publication12/22/87
  3. Examination08/28/90
  4. Allowance04/16/91
  5. Abandoned
  6. In force

The application was allowed on 04/16/1991 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: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown Boveri & Company Limited

CH

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Inventors

A. M. (pessoa física)

C. K. (pessoa física)

H. K. (pessoa física)

I. E. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

826/86 · 02/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Arquivamento - Art. 38 §2° da LPI

#11.4

10/06/1992

RPI 1140

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Notificação para pagamento de retribuição

#13.1

07/30/1991

RPI 1078

Deferimento

#9.1

04/16/1991

RPI 1063

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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