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Official data from INPI

SOLEIRA ROTATIVA

Em AnáliseInvention Patent

Application data

Number

PI8602035

Type

Invention Patent

Filing

05/06/1986

Publication

01/06/1987

Progress at the INPI

  1. Filing05/06/86
  2. Publication01/06/87
  3. Examination12/08/87
  4. Allowance05/16/89
  5. Grant01/09/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The International Metals Reclamation Company, Inc.

US

Inventors

J. P. (pessoa física)

US

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

737.277 · 05/23/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Carta-patente expirada

#21.1

Patente extinta em 06/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

01/09/1990

RPI 1001

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