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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8306078

Type

Invention Patent

Filing

11/04/1983

Publication

06/12/1984

Progress at the INPI

  1. Filing11/04/83
  2. Publication06/12/84
  3. Examination05/27/86
  4. Allowance01/06/87
  5. Grant07/28/87
  6. Terminated04/23/96

The patent was granted on 07/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

H. I. (pessoa física)

N. R. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Deferimento

#9.1

01/06/1987

RPI 846

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

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