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Official data from INPI

MÁQUINA DINAMOELÉTRICA E PROCESSO DE SUA PRODUÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8601577

Type

Invention Patent

Filing

04/08/1986

Publication

12/09/1986

Progress at the INPI

  1. Filing04/08/86
  2. Publication12/09/86
  3. Examination02/08/89
  4. Allowance09/03/91
  5. Grant11/24/92
  6. Terminated09/26/95

The patent was granted on 11/24/1992 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

J. B. (pessoa física)

US

J. J. (pessoa física)

US

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

723.775 · 04/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/08/1989

RPI 955

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/21/1986

RPI 835

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

06/09/1992

RPI 1123

Deferimento

#9.1

09/03/1991

RPI 1083

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