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Official data from INPI

APERFEIÇOAMENTOS NO SISTEMA DE QUEIMA DE COMBUSTÍVEIS SÓLIDOS EM PÓ

ConcedidaInvention Patent

Application data

Number

PI8201315

Type

Invention Patent

Filing

03/11/1982

Publication

11/01/1983

Progress at the INPI

  1. Filing03/11/82
  2. Publication11/01/83
  3. Examination02/28/84
  4. Allowance09/25/84
  5. Grant06/25/85
  6. Terminated06/26/90

The patent was granted on 06/25/1985 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. Y. (pessoa física)

SP, BR

Inventors

N. Y. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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