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Official data from INPI

APERFEIÇOAMENTO EM BRONZINA

ConcedidaInvention Patent

Application data

Number

PI8205264

Type

Invention Patent

Filing

09/09/1982

Publication

04/17/1984

Progress at the INPI

  1. Filing09/09/82
  2. Publication04/17/84
  3. Examination07/10/84
  4. Allowance04/22/86
  5. Grant12/30/86
  6. Terminated07/18/95

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. O. (pessoa física)

SP, BR

Inventors

A. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Pedido de certificado de adição de invenção

#5.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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