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Official data from INPI

SISTEMA DE ASSEPCIA TERMOQUIMICA

Em AnáliseUtility Model

Application data

Number

MU5900522

Type

Utility Model

Filing

04/20/1979

Publication

-

Progress at the INPI

  1. Filing04/20/79
  2. Publication
  3. Examination
  4. Allowance03/13/84
  5. Grant12/26/84
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CONTACT LENS COMERCIO DE LENTE

Inventors

S. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

06/17/1986

RPI 817

20.10

06/03/1986

RPI 815

Cessão de direito de exploração

#22.1

03/04/1986

RPI 802

20.8

02/18/1986

RPI 800

20.3

08/27/1985

RPI 775

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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