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Official data from INPI

DISPOSITIVO PARA A ESTOCAGEM E PARA O TRANSPORTE DE TUBOS

Arquivada/ExtintaInvention PatentPCT · EP1990001405

Application data

Number

PI9006891

Type

Invention Patent

Filing

08/23/1990

Publication

10/22/1991

PCT

EP1990001405

Progress at the INPI

  1. Filing08/23/90
  2. Publication10/22/91
  3. Examination03/24/92
  4. Allowance06/14/94
  5. Grant12/27/94
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Drilltec Patents & Technologies Company, Inc

US

Inventors

R. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 28 320.8 · 08/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/08/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

10/18/1994

RPI 1246

Deferimento

#9.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Notificação de entrada na fase nacional - PCT

#1.3

10/22/1991

RPI 1090

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