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Official data from INPI

Misturador para misturar polpa com um agente alvejante

ConcedidaInvention Patent

Application data

Number

PI8302917

Type

Invention Patent

Filing

06/01/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing06/01/83
  2. Publication04/17/84
  3. Examination07/31/84
  4. Allowance03/11/86
  5. Grant08/26/86
  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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Beloit Technologies, Inc

US

Ingersoll-Rand Company

US

See this company's full portfolio

Inventors

L. C. (pessoa física)

US

O. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

406.112 · 08/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

07/31/1984

RPI 719

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

07/19/1983

RPI 665

Carta-patente expirada

#21.1

Patente extinta em 01/06/98

07/01/2008

RPI 1956

Transferência deferida

#25.1

01/21/1998

RPI 1413

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