US2615519A
Plug handling head for well casings
Abstract
This record has no abstract on file.
Term
Term ended
Expired 28 October 1969, 56.9 years ago.
- Priority and filed
- Granted
- Expired
- Today
2 sheets
Sheet 1 Sheet 2
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US2984301A | Cited by | United States of America | Search report |
| US5040603A | Cited by | United States of America | Search report |
| US2013161005A1 | Cited by | United States of America | Pre-grant |
| US8371400B2 | Cited by | United States of America | Applicant |
| US2010212966A1 | Cited by | United States of America | Pre-grant |
| EP0274162A2 | Cited by | European Patent Office (EPO) | Search report |
| US3216500A | Cited by | United States of America | Search report |
| US3507325A | Cited by | United States of America | Search report |
| US8365842B2 | Cited by | United States of America | Applicant |
| US6360769B1 | Cited by | United States of America | Search report |
| US8522897B2 | Cited by | United States of America | Applicant |
| US2010212885A1 | Cited by | United States of America | Pre-grant |
| US4782894A | Cited by | United States of America | Search report |
| US5050673A | Cited by | United States of America | Search report |
| US2768695A | Cited by | United States of America | Search report |
| US8408336B2 | Cited by | United States of America | Applicant |
| US8365843B2 | Cited by | United States of America | Applicant |
| US4047566A | Cited by | United States of America | Search report |
| US5203408A | Cited by | United States of America | Search report |
| US9133674B2 | Cited by | United States of America | Applicant |
| US3076509A | Cited by | United States of America | Search report |
| US7669663B1 | Cited by | United States of America | Search report |
| US10435978B2 | Cited by | United States of America | Applicant |
| US2010212886A1 | Cited by | United States of America | Pre-grant |
| US9127521B2 | Cited by | United States of America | Applicant |
| EP0377255A1 | Cited by | European Patent Office (EPO) | Search report |
| US2854079A | Cited by | United States of America | Search report |
| US5095808A | Cited by | United States of America | Search report |
| US8360174B2 | Cited by | United States of America | Applicant |
| EP0023383A1 | Cited by | European Patent Office (EPO) | Search report |
| US4290482A | Cited by | United States of America | Search report |
| US8297375B2 | Cited by | United States of America | Applicant |
| US8267196B2 | Cited by | United States of America | Applicant |
| US8281882B2 | Cited by | United States of America | Applicant |
| US4917184A | Cited by | United States of America | Search report |
| FR2641318A1 | Cited by | France | Search report |
| US1662311A | Cites | United States of America | Search report |
| US1735330A | Cites | United States of America | Search report |
| US1743626A | Cites | United States of America | Search report |
| US1750143A | Cites | United States of America | Search report |
| US1791874A | Cites | United States of America | Search report |
| US2196652A | Cites | United States of America | Search report |
| US2246802A | Cites | United States of America | Search report |
| US54867A | Cites | United States of America | Search report |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 75818447 | United States of America | A | |
| US19470758184 | – | – | – |
Numbers
- Publication, DOCDB
- 2615519
- Publication, EPODOC
- US2615519
- Application
- 758184
- Application, DOCDB
- 75818447
- Application, EPODOC
- US19470758184
Titles
- English
- Plug handling head for well casings
Classification
- CPC, 1
- E21B33/05
- IPC, 1
- E21B33 05