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Official data from INPI

PROCESSO PARA O SUPRIMENTO DE UM SINAL DE COMPENSAÇÃO DE TORQUE NÃO BALANCEADOPARA O SINAL DE REFERÊNCIA DE CORRENTE DE UM LAÇO DE CONTROLE DE REALIMENTAÇÃODE UM MOTOR DE A6CIONAMENTO DE UM ELEVADOR.

PublicadaInvention Patent

Application data

Number

PI8803750

Type

Invention Patent

Filing

07/28/1988

Publication

02/14/1989

Progress at the INPI

Awaiting grant fee payment
  1. Filing07/28/88
  2. Publication02/14/89
  3. Examination03/26/91
  4. Allowance02/08/94
  5. Grant
  6. In force

The application was allowed by the INPI on 02/08/1994. The grant of the letters patent is being processed.

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Latest action published by the INPI: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

W. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

102.069 · 07/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Retificação

#15.3

07/05/1994

RPI 1231

Deferimento

#9.1

02/08/1994

RPI 1210

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

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