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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE COMPOSTOS QUÍMICOS

Em AnáliseInvention Patent

Application data

Number

PI7703527

Type

Invention Patent

Filing

05/31/1977

Publication

-

Progress at the INPI

  1. Filing05/31/77
  2. Publication
  3. Examination
  4. Allowance03/02/82
  5. Grant
  6. Terminated12/15/87

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

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

No inventors listed.

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Notificação para pagamento de retribuição

#13.1

06/22/1982

RPI 609

Deferimento

#9.1

03/02/1982

RPI 593

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 69/74; C07C 69/67; C07C 147/02; C07C 69/753; C07C 69/757; C07C 201/00; C07C 205/55; C07C 253/00; C07C 255/38; C07C 255/45; C07C 255/46; C07C 255/48; C07C 255/53; C07C 309/63; C07C 313/00; C07C 315/04; C07C 317/44; C07C 325/00; C07C 381/12; C07D 333/46; C07C 255/00; C07C 309/00; C07C 315/00; C07C 317/00; C07C 381/00; C07D 333/00.

03/27/2018

RPI 2464

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