(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A RECUPERAÇÃO DE UMA LAMA DE AMIDO A PARTIR DE UM MATERIAL QUE CONTÉM AMIDO.

ConcedidaInvention Patent

Application data

Number

PI8101777

Type

Invention Patent

Filing

03/25/1981

Publication

-

Progress at the INPI

  1. Filing03/25/81
  2. Publication
  3. Examination06/07/83
  4. Allowance10/22/85
  5. Grant06/24/86
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC International Inc

US

See this company's full portfolio

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8010226 · 03/26/1980

GB

8101643 · 01/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Deferimento

#9.1

10/22/1985

RPI 783

Exigência - art. 36 da LPI

#6.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

06/07/1983

RPI 659

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C13L 1/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.