US1982178A
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Abstract
This record has no abstract on file.
Term
Term ended
Expired 27 November 1951, 74.8 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US2004226181A1 | Cited by | United States of America | Pre-grant |
| US5353509A | Cited by | United States of America | Search report |
| US2007044335A1 | Cited by | United States of America | Pre-grant |
| US7360316B2 | Cited by | United States of America | Applicant |
| US8359759B2 | Cited by | United States of America | Search report |
| US6807743B2 | Cited by | United States of America | Search report |
| US2011078913A1 | Cited by | United States of America | Pre-grant |
| US6973733B2 | Cited by | United States of America | Applicant |
| US2652628A | Cited by | United States of America | Search report |
| US2004172840A1 | Cited by | United States of America | Pre-grant |
| US4194295A | Cited by | United States of America | Search report |
| US2747295A | Cited by | United States of America | Search report |
Numbers
- Application
- 519768
Titles
- English
- Level and square
Classification
- CPC, 2
- G01B3/04
- G01B3/56
- IPC, 2
- G01B3 04
- G01B3 56