EP0802301A3
Earth-boring bit with super-hard cutting elements
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 2 April 2017, 9.5 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0601840A1 | Cites | European Patent Office (EPO) | A | Search report | – |
| US4109737A | Cites | United States of America | DA | Search report | – |
| US4694918A | Cites | United States of America | DY | Search report | 1-12 |
| US5119714A | Cites | United States of America | DA | Search report | – |
| US5379854A | Cites | United States of America | DY | Search report | 1-12 |
| US5544713A | Cites | United States of America | PX | Search report | 1-12 |
54 members in 6 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 63398396 | United States of America | A | |
| 63398396 | United States of America | A | |
| US19960633983 | – | – | – |
Members54
| Document | Office | Kind | |
|---|---|---|---|
| EP0802301A2 | European Patent Office (EPO) | A2 | |
| US5758733A | United States of America | A | |
| MX9702740A | Mexico | A | |
| EP0802301A3This record | European Patent Office (EPO) | A3 | |
| GB9913889D0 | United Kingdom | D0 | |
| GB2338732A | United Kingdom | A | |
| US6098730A | United States of America | A | |
| US6135219A | United States of America | A | |
| ITTO990545A1 | Italy | A1 | |
| GB0114828D0 | United Kingdom | D0 | |
| GB0123160D0 | United Kingdom | D0 | |
| IT1308755B1 | Italy | B1 | |
| GB2364082A | United Kingdom | A | |
| BE1013521A3 | Belgium | A3 | |
| GB2367081A | United Kingdom | A | |
| US6412580B1 | United States of America | B1 | |
| US2002112897A1 | United States of America | A1 | |
| GB0217374D0 | United Kingdom | D0 | |
| GB0217375D0 | United Kingdom | D0 | |
| GB0217376D0 | United Kingdom | D0 | |
| GB2375128A | United Kingdom | A | |
| GB2375129A | United Kingdom | A | |
| GB2375130A | United Kingdom | A | |
| ITTO20010609A1 | Italy | A1 | |
| GB0228578D0 | United Kingdom | D0 | |
| GB0228579D0 | United Kingdom | D0 | |
| GB0228580D0 | United Kingdom | D0 | |
| GB0228581D0 | United Kingdom | D0 | |
| US6527069B1 | United States of America | B1 | |
| GB2379695A | United Kingdom | A | |
| GB2379696A | United Kingdom | A | |
| GB2379697A | United Kingdom | A | |
| GB2379698A | United Kingdom | A | |
| ITTO20010919A1 | Italy | A1 | |
| GB2367081B | United Kingdom | B | |
| GB2364082B | United Kingdom | B | |
| GB2375128B | United Kingdom | B | |
| GB2375129B | United Kingdom | B | |
| GB2375130B | United Kingdom | B | |
| GB2338732B | United Kingdom | B | |
| GB2379695B | United Kingdom | B | |
| GB2379696B | United Kingdom | B | |
| GB2379697B | United Kingdom | B | |
| GB2379698B | United Kingdom | B | |
| US6571891B1 | United States of America | B1 | |
| US2003116361A1 | United States of America | A1 | |
| EP0802301B1 | European Patent Office (EPO) | B1 | |
| BE1014395A5 | Belgium | A5 | |
| US6739417B2 | United States of America | B2 | |
| US6772848B2 | United States of America | B2 | |
| BE1015197A5 | Belgium | A5 | |
| BE1016089A3 | Belgium | A3 | |
| BE1016090A3 | Belgium | A3 | |
| BE1016091A3 | Belgium | A3 |
22 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Patent lapsedLapsedMM4A | MM4A | IE | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Fr: translation not filedEN | EN | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| European patents granted designating irelandGrantedFG4D | FG4D | IE | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication, DOCDB
- 0802301
- Publication, EPODOC
- EP0802301
- Application
- 97302251
- Application, DOCDB
- 97302251
- Application, EPODOC
- EP19970302251
Titles3
- German
- Bohrmeissel mit superharten Schneidelementen
- English
- Earth-boring bit with super-hard cutting elements
- French
- Trépan de forage avec éléments de coup extra-durs
Classification
- CPC, 3
- E21B10/5673
- E21B10/16
- E21B10/52
- IPC, 5
- E21B10 16
- E21B10 46
- E21B10 52
- E21B10 56
- E21B10 567
Designated states1
- Contracting states, 1
- Italy