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Official data from INPI

DISPOSITIVO PARA A MUDANÇA CÍCLICA DE FOLHAS DE UMA PILHA DE FOLHAS

Em ExigênciaInvention Patent

Application data

Number

PI8507046

Type

Invention Patent

Filing

11/12/1985

Publication

03/10/1987

Progress at the INPI

  1. Filing11/12/85
  2. Publication03/10/87
  3. Examination07/26/88
  4. Allowance06/25/91
  5. Grant02/04/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Licinvest AG

CH

See this company's full portfolio

Inventors

P. A. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

DE

P 34 41 489.4 · 11/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

07/26/1988

RPI 927

Notificação de entrada na fase nacional - PCT

#1.3

03/10/1987

RPI 855

Carta-patente expirada

#21.1

Patente extinta em 12/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/04/1992

RPI 1105

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

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