US1925103A
Insulating building block
Abstract
This record has no abstract on file.
Term
Term ended
Expired 5 September 1950, 76.1 years ago.
- Priority and filed
- Granted
- Expired
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| US4172344A | Cited by | United States of America | Search report |
| US5930964A | Cited by | United States of America | Search report |
| US2005000176A1 | Cited by | United States of America | Pre-grant |
| US2006168907A1 | Cited by | United States of America | Pre-grant |
| US7444786B2 | Cited by | United States of America | Search report |
| USRE32096E | Cited by | United States of America | Search report |
| US2006277851A1 | Cited by | United States of America | Pre-grant |
| US4243385A | Cited by | United States of America | Search report |
| US6851233B2 | Cited by | United States of America | Search report |
| US5740643A | Cited by | United States of America | Search report |
| US5560167A | Cited by | United States of America | Search report |
| US2005115177A1 | Cited by | United States of America | Pre-grant |
| US4320612A | Cited by | United States of America | Search report |
Numbers
- Application
- 456668
Titles
- English
- Insulating building block
Classification
- CPC, 3
- E04C1/40
- E04B2/14
- E04B2002/0267
- IPC, 3
- E04B2 02
- E04B2 14
- E04C1 40