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Official data from INPI

JUNTA TELESCÓPICA SUBMARINA.

Em AnáliseInvention Patent

Application data

Number

PI8602679

Type

Invention Patent

Filing

06/10/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing06/10/86
  2. Publication03/17/87
  3. Examination05/30/89
  4. Allowance03/13/90
  5. Grant10/30/90
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cameron Iron Works, Inc.

US

Inventors

T. S. (pessoa física)

US

W. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

761.692 · 08/02/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/30/1989

RPI 971

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Carta-patente expirada

#21.1

Patente extinta em 10/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

07/24/1990

RPI 1025

Deferimento

#9.1

03/13/1990

RPI 1009

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