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Official data from INPI

ESTEIRA TRANSPORTADORA

Em AnáliseInvention Patent

Application data

Number

PI8607236

Type

Invention Patent

Filing

12/22/1986

Publication

11/01/1988

Progress at the INPI

  1. Filing12/22/86
  2. Publication11/01/88
  3. Examination03/07/89
  4. Allowance11/13/90
  5. Grant06/25/91
  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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Frigoscandia Contracting AB

SE

Inventors

L. O. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8506136-4 · 12/27/1985

SE

PCT/86/00582 · 12/22/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/07/1989

RPI 959

Notificação de entrada na fase nacional - PCT

#1.3

11/01/1988

RPI 941

Carta-patente expirada

#21.1

Patente extinta em 22/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

02/26/1991

RPI 1056

Deferimento

#9.1

11/13/1990

RPI 1041

Exigência - art. 36 da LPI

#6.1

06/12/1990

RPI 1022

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