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Official data from INPI

APARELHO DE DOSAR REFRIGERANTE PARA SERPENTINA COM VÁRIOS CIRCUITOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904773

Type

Invention Patent

Filing

09/21/1989

Publication

05/01/1990

Progress at the INPI

  1. Filing09/21/89
  2. Publication05/01/90
  3. Examination08/21/90
  4. Allowance07/07/92
  5. Grant04/27/93
  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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

D. V. (pessoa física)

Technical data

IPC Classification

Priority claims

US

251,284 · 09/30/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/09/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

11/24/1992

RPI 1147

Deferimento

#9.1

07/07/1992

RPI 1127

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

Publicação do pedido de patente

#3.1

05/01/1990

RPI 1016

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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