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Official data from INPI

PROCESSO PARA FORMAR UM TORO ACABADO E PROCESSO PARA FORMAR UM ÊMBOLO PARA USO EM UM ATUADOR ROTATIVO

PublicadaInvention Patent

Application data

Number

PI8900711

Type

Invention Patent

Filing

02/17/1989

Publication

10/17/1989

Progress at the INPI

  1. Filing02/17/89
  2. Publication10/17/89
  3. Examination09/03/91
  4. Allowance11/03/92
  5. Abandoned
  6. In force

The application was allowed on 11/03/1992 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Keystone International, Inc.

US

See this company's full portfolio

Inventors

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

157.887 · 02/19/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Arquivamento - Art. 38 §2° da LPI

#11.4

10/19/1993

RPI 1194

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

9.1.3

03/02/1993

RPI 1161

Deferimento

#9.1

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

09/03/1991

RPI 1083

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