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Official data from INPI

PROCESSO PARA PROPICIAR PRATELEIRAS DE REFRIGERADORES DE AÇO COM REVESTIMENTOS PROTETORES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101473

Type

Invention Patent

Filing

04/11/1991

Publication

06/16/1992

Progress at the INPI

  1. Filing04/11/91
  2. Publication06/16/92
  3. Examination11/24/92
  4. Allowance01/28/97
  5. Grant04/28/98
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Collis, Inc.

US

Inventors

D. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

579.468 · 09/07/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

04/28/1998

RPI 1427

6.9

Referencia RPI nº1405 de 04/11/97, publicação (6.7) por ter sido indevida.

04/07/1998

RPI 1424

6.7

11/04/1997

RPI 1405

Notificação para pagamento de retribuição

#13.1

05/06/1997

RPI 1379

Deferimento

#9.1

01/28/1997

RPI 1365

Exigência - art. 36 da LPI

#6.1

07/30/1996

RPI 1339

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Publicação do pedido de patente

#3.1

06/16/1992

RPI 1124

Pedido de patente depositado

#2.1

10/08/1991

RPI 1088

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