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Official data from INPI

CIRCUITO DE CONTROLE E PROCESSO PARA CONTROLAR A ALIMENTAÇÃO DE TODA OU DE SUB-PARTES DE UMA TENSÃO DE BATERIA PARA UM MOTOR ACIONADO A BATERIA.

PublicadaInvention Patent

Application data

Number

PI8803914

Type

Invention Patent

Filing

08/08/1988

Publication

02/28/1989

Progress at the INPI

  1. Filing08/08/88
  2. Publication02/28/89
  3. Examination03/20/90
  4. Allowance03/01/94
  5. Abandoned
  6. In force

The application was allowed on 03/01/1994 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tennant Company

US

See this company's full portfolio

Inventors

B. F. (pessoa física)

US

R. M. (pessoa física)

US

S. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

082.665 · 08/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/28/1989

RPI 958

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Arquivamento - Art. 38 §2° da LPI

#11.4

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

06/14/1994

RPI 1228

Deferimento

#9.1

03/01/1994

RPI 1213

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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