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Official data from INPI

DISPOSITIVO PARA A PRODUÇÃO DE FÓSFORO VERMELHO

DeferidaInvention Patent

Application data

Number

PI8401743

Type

Invention Patent

Filing

04/13/1984

Publication

11/20/1984

Progress at the INPI

  1. Filing04/13/84
  2. Publication11/20/84
  3. Examination12/09/86
  4. Allowance09/05/89
  5. Grant03/20/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

See this company's full portfolio

Inventors

D. T. (pessoa física)

DE

H. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 13 929.6 · 04/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

02/21/1989

RPI 957

6.2

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

Publicação do pedido de patente

#3.1

11/20/1984

RPI 735

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Carta-patente expirada

#21.1

Patente extinta em 13/04/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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