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Official data from INPI

EIXO ESTACIONÁRIO PARA UM ROLO DE CURVATURA REGULÁVEL, ROLO E ROLO DE CURVATURA REGULÁVEL

PublicadaInvention Patent

Application data

Number

PI8700253

Type

Invention Patent

Filing

01/21/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/21/87
  2. Publication12/01/87
  3. Examination08/07/90
  4. Allowance11/29/94
  5. Grant07/25/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SW. Industries, Inc.

US

Inventors

J. G. (pessoa física)

US

T. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

822.490 · 01/21/1986

US

865.109 · 05/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/26/1987

RPI 866

Carta-patente expirada

#21.1

Patente extinta em 21/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/04/1995

RPI 1270

Deferimento

#9.1

11/29/1994

RPI 1252

Exigência - art. 36 da LPI

#6.1

06/07/1994

RPI 1227

14.7

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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