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Official data from INPI

PI8507006

Em AnáliseInvention Patent

Application data

Number

PI8507006

Type

Invention Patent

Filing

10/21/1985

Publication

-

Progress at the INPI

  1. Filing10/21/85
  2. Publication
  3. Examination07/28/87
  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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

SE

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

01/06/1987

RPI 846

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21H 3/34; D21H 3/68.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 21/10/2000

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

01/02/1991

RPI 1048

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