US3320004A
Earth boring apparatus
Abstract
This record has no abstract on file.
Term
Term ended
Expired 16 May 1984, 42.4 years ago.
- Priority and filed
- Granted
- Expired
- Today
3 sheets
Sheet 1 Sheet 2 Sheet 3
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| EP0140311A1 | Cited by | European Patent Office (EPO) | Search report |
| US5069297A | Cited by | United States of America | Search report |
| US4938299A | Cited by | United States of America | Search report |
| US5803193A | Cited by | United States of America | Search report |
| US8028767B2 | Cited by | United States of America | Applicant |
| US7882905B2 | Cited by | United States of America | Applicant |
| US3480094A | Cited by | United States of America | Search report |
| US2005092527A1 | Cited by | United States of America | Pre-grant |
| US5881810A | Cited by | United States of America | Search report |
| US7900717B2 | Cited by | United States of America | Applicant |
| US4448248A | Cited by | United States of America | Search report |
| US2011005836A1 | Cited by | United States of America | Pre-grant |
| US2014151026A1 | Cited by | United States of America | Pre-grant |
| US4858688A | Cited by | United States of America | Search report |
| US5566754A | Cited by | United States of America | Search report |
| US2010059218A1 | Cited by | United States of America | Pre-grant |
| US7407165B1 | Cited by | United States of America | Search report |
| US9328568B2 | Cited by | United States of America | Search report |
| US8205689B2 | Cited by | United States of America | Applicant |
| US5901798A | Cited by | United States of America | Search report |
| US10895117B2 | Cited by | United States of America | Applicant |
| US2009294178A1 | Cited by | United States of America | Pre-grant |
| US4266578A | Cited by | United States of America | Search report |
| US2008128169A1 | Cited by | United States of America | Pre-grant |
| US5833018A | Cited by | United States of America | Search report |
| US4398772A | Cited by | United States of America | Search report |
| US2009145666A1 | Cited by | United States of America | Pre-grant |
| US7409758B2 | Cited by | United States of America | Search report |
| US2009242275A1 | Cited by | United States of America | Pre-grant |
| US4199011A | Cited by | United States of America | Search report |
| GB2329209A | Cited by | United Kingdom | Search report |
| US4245708A | Cited by | United States of America | Search report |
| US2008128175A1 | Cited by | United States of America | Pre-grant |
| US4856794A | Cited by | United States of America | Search report |
| USD983231S | Cited by | United States of America | Applicant |
| US2016319617A1 | Cited by | United States of America | Pre-grant |
| WO9837302A1 | Cited by | World Intellectual Property Organization (WIPO) | International search |
| GB2329209B | Cited by | United Kingdom | Search report |
| US8657038B2 | Cited by | United States of America | Applicant |
| US8167035B2 | Cited by | United States of America | Search report |
| US8657039B2 | Cited by | United States of America | Applicant |
| US4938285A | Cited by | United States of America | Search report |
| US2010224414A1 | Cited by | United States of America | Pre-grant |
| US8297381B2 | Cited by | United States of America | Applicant |
| US5833019A | Cited by | United States of America | Search report |
| US6435275B1 | Cited by | United States of America | Applicant |
| US1496698A | Cites | United States of America | Search report |
| US1775403A | Cites | United States of America | Search report |
| US2157299A | Cites | United States of America | Search report |
| US2267459A | Cites | United States of America | Search report |
| US2624603A | Cites | United States of America | Search report |
| US2756117A | Cites | United States of America | Search report |
| US2860350A | Cites | United States of America | Search report |
| US2897016A | Cites | United States of America | Search report |
| US2966121A | Cites | United States of America | Search report |
| US3063759A | Cites | United States of America | Search report |
| US3076683A | Cites | United States of America | Search report |
| US3111037A | Cites | United States of America | Search report |
| US3197262A | Cites | United States of America | Search report |
| US3218087A | Cites | United States of America | Search report |
| GB699488A | Cites | United Kingdom | Search report |
| US831143A | Cites | United States of America | Search report |
| US913286A | Cites | United States of America | Search report |
2 priority claims, no other members on record
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 37643564 | United States of America | A | |
| US19640376435 | – | – | – |
Numbers
- Publication, DOCDB
- 3320004
- Publication, EPODOC
- US3320004
- Application
- 376435
- Application, DOCDB
- 37643564
- Application, EPODOC
- US19640376435
Titles
- English
- Earth boring apparatus
Classification
- CPC, 1
- E21B17/1042
- IPC, 1
- E21B17 10