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Official data from INPI

APARELHO SEPARADOR DE FOLHAS

Em ExigênciaInvention Patent

Application data

Number

PI8201847

Type

Invention Patent

Filing

03/31/1982

Publication

03/01/1983

Progress at the INPI

  1. Filing03/31/82
  2. Publication03/01/83
  3. Examination04/02/85
  4. Allowance06/12/90
  5. Grant11/27/90
  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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

X. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. G. (pessoa física)

US

F. J. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8110039 · 03/31/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/24/1989

RPI 992

Solicitação de exame técnico

#4.1

04/02/1985

RPI 754

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Pedido de patente depositado

#2.1

05/18/1982

RPI 604

Carta-patente expirada

#21.1

Patente extinta em 31/03/97

07/01/2008

RPI 1956

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

09/25/1990

RPI 1034

Deferimento

#9.1

06/12/1990

RPI 1022

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