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Official data from INPI

CONJUNTO DE TRANSMISSÃO PARA MANOBRAR UM SISTEMA DE BLOQUEIO DUPLO E SANGRAMENTO

ArquivadaInvention Patent

Application data

Number

PI8904706

Type

Invention Patent

Filing

09/19/1989

Publication

05/01/1990

Progress at the INPI

  1. Filing09/19/89
  2. Publication05/01/90
  3. Examination11/20/90
  4. Allowance06/09/92
  5. Abandoned
  6. In force

The application was allowed on 06/09/1992 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 04/06/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Keystone International Holdings Corp

US

See this company's full portfolio

Inventors

D. K. (pessoa física)

US

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

246.258 · 09/19/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

04/06/1993

RPI 1166

Notificação para pagamento de retribuição

#13.1

10/27/1992

RPI 1143

Deferimento

#9.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

Publicação do pedido de patente

#3.1

05/01/1990

RPI 1016

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

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