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Official data from INPI

ANALISADOR DE FLUIDO POR INFRAVERMELHO

Em ExigênciaInvention Patent

Application data

Number

PI8503087

Type

Invention Patent

Filing

06/27/1985

Publication

03/11/1986

Progress at the INPI

  1. Filing06/27/85
  2. Publication03/11/86
  3. Examination07/22/86
  4. Allowance03/19/91
  5. Grant10/29/91
  6. Terminated09/19/95

The patent was granted on 10/29/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mine Safety Appliances Company

US

See this company's full portfolio

Inventors

G. F. (pessoa física)

US

R. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

638.995 · 08/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/04/1989

RPI 976

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

03/11/1986

RPI 803

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

07/02/1991

RPI 1074

Deferimento

#9.1

03/19/1991

RPI 1059

Exigência - art. 36 da LPI

#6.1

10/23/1990

RPI 1038

Exigência - art. 36 da LPI

#6.1

01/16/1990

RPI 1002

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