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Official data from INPI

METODO LUDWIG PARA FRACIONAMENTO DE ALBUMINA HUMANA

ConcedidaInvention Patent

Application data

Number

PI7902597

Type

Invention Patent

Filing

04/27/1979

Publication

-

Progress at the INPI

  1. Filing04/27/79
  2. Publication
  3. Examination
  4. Allowance06/17/86
  5. Grant04/28/87
  6. Terminated09/25/90

The patent was granted on 04/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. A. (pessoa física)

Inventors

L. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

100

06/17/1986

RPI 817

120

01/29/1985

RPI 745

Petição de recurso

#12.2

07/19/1983

RPI 665

Indeferimento

#9.2

03/29/1983

RPI 649

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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