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Official data from INPI

SENSOR A LASER DE DISPERSAO FRONTAL PARA PARTICULAS

ConcedidaInvention Patent

Application data

Number

PI8307322

Type

Invention Patent

Filing

05/10/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing05/10/82
  2. Publication04/17/84
  3. Examination06/19/84
  4. Allowance05/27/86
  5. Grant11/25/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP [US]

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Inventors

D. [. (pessoa física)

F. (pessoa física)

M. [. (pessoa física)

M. [. (pessoa física)

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

8.1

04/15/1986

RPI 808

Exigência - art. 36 da LPI

#6.1

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Notificação de entrada na fase nacional - PCT

#1.3

04/17/1984

RPI 704

Carta-patente expirada

#21.1

Patente extinta em 10/05/98

08/19/2008

RPI 1963

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