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Official data from INPI

ACOPLAMENTO COM ROSCA

Prazo de SigiloInvention Patent

Application data

Number

PI8903284

Type

Invention Patent

Filing

07/04/1989

Publication

02/13/1990

Progress at the INPI

  1. Filing07/04/89
  2. Publication02/13/90
  3. Examination01/14/92
  4. Allowance08/17/93
  5. Grant03/29/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sandvik AB

SE

Sandvik Intellectual Property AB

SE

S. H. (pessoa física)

SE

See this company's full portfolio

Inventors

K. L. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8802554-9 · 07/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 04/07/2004

12/22/2009

RPI 2033

Transferência deferida

#25.1

Transferido de: Sandvik Intellectual Property HB

09/26/2006

RPI 1864

Transferência deferida

#25.1

Transferido de: Sandvik AB

03/07/2006

RPI 1835

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

01/14/1992

RPI 1102

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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