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Official data from INPI

DISPERSAO DE HALOGENETO DE PRATA FOTOGRAFICA COLORIDA NAO EXPOSTA, NAO REVELADA, EM UMA CAMADA, REFERIDA CAMADA, EMULSAO E SOLUTCAO REVELADORA FOTOGRAFICA A CORES

ConcedidaInvention Patent

Application data

Number

PI8001374

Type

Invention Patent

Filing

03/09/1979

Publication

-

Progress at the INPI

  1. Filing03/09/79
  2. Publication
  3. Examination01/04/83
  4. Allowance09/18/84
  5. Grant03/26/85
  6. Terminated09/25/90

The patent was granted on 03/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

S. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

07/26/1983

RPI 666

Solicitação de exame técnico

#4.1

01/04/1983

RPI 637

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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