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Official data from INPI

PROCESSO E APARELHO PARA MISTURAR SAIBRO E BETUME

Em AnáliseInvention Patent

Application data

Number

PI8607002

Type

Invention Patent

Filing

11/26/1986

Publication

12/01/1987

Progress at the INPI

  1. Filing11/26/86
  2. Publication12/01/87
  3. Examination08/29/89
  4. Allowance07/31/90
  5. Grant02/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nodest Vei A/S

NO

Inventors

J. W. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

854807 · 11/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/29/1989

RPI 984

Notificação de entrada na fase nacional - PCT

#1.3

12/01/1987

RPI 893

Carta-patente expirada

#21.1

Patente extinta em 26/11/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/26/1991

RPI 1056

Notificação para pagamento de retribuição

#13.1

11/13/1990

RPI 1041

Deferimento

#9.1

07/31/1990

RPI 1026

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