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Official data from INPI

CONJUNTO DE TRATAMENTO DE EXAUSTÃO PARA CONVERTER CATALITICAMENTE GASES DE EXAUSTÃO

Em AnáliseInvention Patent

Application data

Number

PI8202562

Type

Invention Patent

Filing

05/04/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing05/04/82
  2. Publication04/19/83
  3. Examination10/25/83
  4. Allowance09/18/84
  5. Grant05/28/85
  6. Terminated06/21/88

The patent was granted on 05/28/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uop Inc.

US

See this company's full portfolio

Inventors

C. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

272,157 · 06/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

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