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Official data from INPI

PROCESSO DE FABRICAÇÃO DE LENTES DE CONTATO POR MOLDAGEM

Em AnáliseInvention Patent

Application data

Number

PI8101183

Type

Invention Patent

Filing

02/26/1981

Publication

-

Progress at the INPI

  1. Filing02/26/81
  2. Publication
  3. Examination09/27/83
  4. Allowance02/12/85
  5. Grant10/01/85
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba Geigy AG

CH

Novartis AG (Novartis SA) (Novartis INC.)

CH

Sandoz A.G

CH

S. M. (pessoa física)

FR

See this company's full portfolio

Inventors

B. F. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

80.04751 · 02/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/07/1989

RPI 994

20.4

10/31/1989

RPI 993

18.8

01/03/1989

RPI 950

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Transferência deferida

#25.1

Transferido por incorporação de: Sandoz AG

03/09/1999

RPI 1470

Transferência deferida

#25.1

Transferido por fusão de: Ciba-Geigy AG

01/19/1999

RPI 1463

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

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