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Official data from INPI

PAPEL QUE INCORPORA UMA TIRA PARCIALMENTE ACAMADA

ConcedidaInvention Patent

Application data

Number

PI8204037

Type

Invention Patent

Filing

07/12/1982

Publication

07/05/1983

Progress at the INPI

  1. Filing07/12/82
  2. Publication07/05/83
  3. Examination01/10/84
  4. Allowance10/15/85
  5. Grant05/27/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Portals Limited

GB

Inventors

J. F. (pessoa física)

GB

Technical data

Priority claims

GB

8121564 · 07/13/1981

GB

8137104 · 12/09/1981

GB

8208348 · 03/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

07/05/1983

RPI 663

Pedido de patente depositado

#2.1

08/24/1982

RPI 618

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21F 1/00; D21H 5/10.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 12/07/97

07/01/2008

RPI 1956

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