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Official data from INPI

SENSOR DE FOGO QUE REAGE A DUAS FREQUÊNCIAS DE ASPECTRO

Em ExigênciaInvention Patent

Application data

Number

PI8505863

Type

Invention Patent

Filing

02/11/1985

Publication

03/25/1986

Progress at the INPI

  1. Filing02/11/85
  2. Publication03/25/86
  3. Examination08/19/86
  4. Allowance05/21/91
  5. Grant11/26/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

K. S. (pessoa física)

US

M. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

592.611 · 03/23/1984

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

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

03/25/1986

RPI 805

Carta-patente expirada

#21.1

Patente extinta em 11/02/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

09/03/1991

RPI 1083

11.8

08/27/1991

RPI 1082

Arquivamento - Art. 33 da LPI

#11.1

06/25/1991

RPI 1073

Deferimento

#9.1

05/21/1991

RPI 1068

Exigência - art. 36 da LPI

#6.1

12/04/1990

RPI 1044

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