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Official data from INPI

REFORÇADOR MECÂNICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100708

Type

Invention Patent

Filing

02/21/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/21/91
  2. Publication10/29/91
  3. Examination09/28/93
  4. Allowance05/25/99
  5. Grant12/28/99
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

K. W. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/483,904 · 02/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/02/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

05/25/1999

RPI 1481

Exigência - art. 36 da LPI

#6.1

10/06/1998

RPI 1450

Solicitação de exame técnico

#4.1

09/28/1993

RPI 1191

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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