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Official data from INPI

DISPOSITIVO ROTATIVO DE SEPARAÇÃO DE POLPA DO TIPO VERTICAL DE PRESSÃO

ConcedidaInvention Patent

Application data

Number

PI8002748

Type

Invention Patent

Filing

05/05/1980

Publication

-

Progress at the INPI

  1. Filing05/05/80
  2. Publication
  3. Examination04/12/83
  4. Allowance08/13/85
  5. Grant02/04/86
  6. Terminated03/29/94

The patent was granted on 02/04/1986 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniweld Inc

CA

Inventors

A. H. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

35,515 · 05/03/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

8.1

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Conhecimento de parecer técnico

#7.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

10.1

03/29/1994

RPI 1217

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