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Official data from INPI

DESCARREGADOR PARA MATERIAL A GRANEL

ConcedidaInvention Patent

Application data

Number

PI8205336

Type

Invention Patent

Filing

08/31/1982

Publication

12/14/1982

Progress at the INPI

  1. Filing08/31/82
  2. Publication12/14/82
  3. Examination07/17/84
  4. Allowance04/16/85
  5. Grant10/29/85
  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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. A. (pessoa física)

NO

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Inventors

K. I. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

810017 · 01/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Notificação de entrada na fase nacional - PCT

#1.3

12/14/1982

RPI 634

Carta-patente expirada

#21.1

Patente extinta em 31/08/97

07/01/2008

RPI 1956

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