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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8301455

Type

Invention Patent

Filing

03/22/1983

Publication

11/29/1983

Progress at the INPI

  1. Filing03/22/83
  2. Publication11/29/83
  3. Examination08/13/85
  4. Allowance09/01/87
  5. Grant03/29/88
  6. Terminated12/17/96

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

Inventors

H. I. (pessoa física)

K. M. (pessoa física)

P. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

10/21/1986

RPI 835

Solicitação de exame técnico

#4.1

08/13/1985

RPI 773

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

12/17/1996

RPI 1359

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