NL174752B
Ball sealers
Abstract
This record has no abstract on file.
Term
Term ended
Expired 3 October 1998, 28 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
22 members in 9 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 85087977 | United States of America | A |
Members22
| Document | Office | Kind | |
|---|---|---|---|
| US4139060A | United States of America | A | |
| NO783267L | Norway | L | |
| NO833401L | Norway | L | |
| NL7810001A | Netherlands (Kingdom of the) | A | |
| DE2848972A1 | Germany | A1 | |
| GB2007745A | United Kingdom | A | |
| AU3886478A | Australia | A | |
| CA1081608A | Canada | A | |
| AU514250B2 | Australia | B2 | |
| GB2085512A | United Kingdom | A | |
| GB2085512B | United Kingdom | B | |
| GB2007745B | United Kingdom | B | |
| DE2848972C2 | Germany | C2 | |
| MX149571A | Mexico | A | |
| NL174752BThis record | Netherlands (Kingdom of the) | B | |
| NL174752C | Netherlands (Kingdom of the) | C | |
| NO152467B | Norway | B | |
| NO152467C | Norway | C | |
| MY8500112A | Malaysia | A | |
| MY8500117A | Malaysia | A | |
| NO154403B | Norway | B | |
| NO154403C | Norway | C |
4 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Lapsed because of non-payment of the annual feeLapsedV1 | V1 | |
| A request for examination has been filedBC | BC | |
| A search report has been drawn upBB | BB | |
| A request for search or an international-type search has been filedA1A | A1A |
Numbers
- Application
- 7810001
Titles2
- Dutch
- WERKWIJZE VOOR HET SELECTIEF AAN EEN BEHANDELING MET EEN VLOEISTOF ONDERWERPEN VAN ONDERGRONDSE FORMATIES.
- English
- METHOD FOR SELECTIVELY TREATING A LIQUID SUBJECT OF UNDERGROUND FORMATIONS
Classification
- CPC, 2
- E21B43/261
- E21B33/138
- IPC, 4
- E21B33 13
- E21B33 138
- E21B43 25
- E21B43 26