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Official data from INPI

SENSOR DISCRIMINANTE DE FOGO COM CAPACIDADE DE SUPERAÇÃO TÉRMICA

Em AnáliseInvention Patent

Application data

Number

PI8307522

Type

Invention Patent

Filing

09/16/1983

Publication

08/14/1984

Progress at the INPI

  1. Filing09/16/83
  2. Publication08/14/84
  3. Examination09/17/85
  4. Allowance08/08/89
  5. Grant04/24/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

M. K. (pessoa física)

US

R. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

06/419.872 · 09/20/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

102

05/30/1989

RPI 971

Pedido de recurso

#12.3

12/13/1988

RPI 947

11.3

08/30/1988

RPI 932

Retificação

#15.6

11/03/1987

RPI 889

Retificação

#15.3

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Notificação de entrada na fase nacional - PCT

#1.3

08/14/1984

RPI 721

Carta-patente expirada

#21.1

Patente extinta em 16/09/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

04/24/1990

RPI 1015

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