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Official data from INPI

APARELHO MEDIDOR DE TENSÃO.

Em ExigênciaInvention Patent

Application data

Number

PI8504009

Type

Invention Patent

Filing

08/21/1985

Publication

06/10/1986

Progress at the INPI

  1. Filing08/21/85
  2. Publication06/10/86
  3. Examination07/19/88
  4. Allowance05/01/90
  5. Grant12/26/90
  6. Terminated12/24/96

The patent was granted on 12/26/1990 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

C. C. (pessoa física)

US

See this company's full portfolio

Inventors

G. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

643.335 · 08/22/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/24/1989

RPI 992

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Publicação do pedido de patente

#3.1

06/10/1986

RPI 816

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/01/1990

RPI 1016

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