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Official data from INPI

SISTEMA DE TRANSPORTADOR DE PISO BEM COMO DISPOSITIVO PARA O MESMO

ConcedidaInvention Patent

Application data

Number

PI8203485

Type

Invention Patent

Filing

06/14/1982

Publication

06/07/1983

Progress at the INPI

  1. Filing06/14/82
  2. Publication06/07/83
  3. Examination10/25/83
  4. Allowance04/16/85
  5. Grant10/01/85
  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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. K. (pessoa física)

DE

Inventors

W. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 23 638.3 · 06/15/1981

DE

P 31 23 706.1 · 06/15/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação do pedido de patente

#3.1

06/07/1983

RPI 659

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

Patente extinta em 14/06/97

07/01/2008

RPI 1956

18.8

03/01/1994

RPI 1213

22.2

03/01/1994

RPI 1213

18.1

10/29/1991

RPI 1091

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