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Official data from INPI

DISPOSITIVO PARA A DETERMINAÇÃO DA COMPOSIÇÃO QUANTITATIVA DE GASES.

ArquivadaInvention Patent

Application data

Number

PI8505125

Type

Invention Patent

Filing

10/16/1985

Publication

07/29/1986

Progress at the INPI

  1. Filing10/16/85
  2. Publication07/29/86
  3. Examination05/30/89
  4. Allowance06/26/90
  5. Grant02/13/91
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown, Boveri & Company Limited

CH

See this company's full portfolio

Inventors

H. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

5100/84-7 · 10/25/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.9

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

05/30/1989

RPI 971

11.8

01/31/1989

RPI 954

Arquivamento - Art. 33 da LPI

#11.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

12/17/1985

RPI 791

Carta-patente expirada

#21.1

Patente extinta em 16/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/13/1991

RPI 1054

Notificação para pagamento de retribuição

#13.1

10/09/1990

RPI 1036

Deferimento

#9.1

06/26/1990

RPI 1024

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