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Official data from INPI

PROCESSO PARA TRATAMENTO DE UMA PLURALIDADE DE CORRENTE, OU DE UMA CORRENTE, CONTENDO COMPOSTOS DE CLOROSSILÍCIO.

ConcedidaInvention Patent

Application data

Number

PI8300137

Type

Invention Patent

Filing

01/13/1983

Publication

11/22/1983

Progress at the INPI

  1. Filing01/13/83
  2. Publication11/22/83
  3. Examination02/04/86
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Terminated04/02/96

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

M. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

360.271 · 03/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

10/20/1987

RPI 887

6.2

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

02/04/1986

RPI 798

Publicação do pedido de patente

#3.1

11/22/1983

RPI 683

Pedido de patente depositado

#2.1

03/01/1983

RPI 645

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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