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Official data from INPI

EMULSÃO DE HALOGENETO DE PRATA DE GRÃO TUBULAR.

ConcedidaInvention Patent

Application data

Number

PI8206565

Type

Invention Patent

Filing

11/11/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/11/82
  2. Publication09/27/83
  3. Examination04/02/85
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eastman Kodak Company

US

See this company's full portfolio

Inventors

E. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

320.920 · 11/12/1981

US

431.855 · 09/30/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

12/10/1985

RPI 790

Solicitação de exame técnico

#4.1

04/02/1985

RPI 754

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era G03C 1/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 11/11/97

07/01/2008

RPI 1956

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