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Official data from INPI

SISTEMA DE TUBEIRA ROTATIVA

Em AnáliseInvention Patent

Application data

Number

PI8605679

Type

Invention Patent

Filing

11/17/1986

Publication

08/18/1987

Progress at the INPI

  1. Filing11/17/86
  2. Publication08/18/87
  3. Examination12/27/88
  4. Allowance09/17/91
  5. Grant06/30/92
  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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

JP

N. K. (pessoa física)

JP

Nippon Rotary Nozzle Co., Ltd

JP

T. K. (pessoa física)

JP

Inventors

T. Y. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

60-256703 · 11/18/1985

JP

60-293234 · 12/27/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/27/1988

RPI 949

Publicação do pedido de patente

#3.1

08/18/1987

RPI 878

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Carta-patente expirada

#21.1

Patente extinta em 17/11/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

01/21/1992

RPI 1103

Deferimento

#9.1

09/17/1991

RPI 1085

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