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Official data from INPI

COMPOSIÇÃO CURÁVEL POR EXPOSIÇÃO A OXIGÊNIO GASOSO.

Em ExigênciaInvention Patent

Application data

Number

PI8407246

Type

Invention Patent

Filing

12/28/1984

Publication

11/26/1985

Progress at the INPI

  1. Filing12/28/84
  2. Publication11/26/85
  3. Examination07/28/87
  4. Allowance07/31/90
  5. Grant02/13/91
  6. Terminated07/04/95

The patent was granted on 02/13/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

T. W. (pessoa física)

US

Technical data

Priority claims

US

566.297 · 12/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

11/26/1985

RPI 788

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

02/13/1991

RPI 1054

Notificação para pagamento de retribuição

#13.1

11/13/1990

RPI 1041

Deferimento

#9.1

07/31/1990

RPI 1026

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