Interlocking blocks for construction
US7337589B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 25, 2004 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Sep 9, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2002/0239
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Interlocking blocks for construction preferably include an in-line block, a corner block, an offset block and end blocks. The in-line block includes a connector extension disposed on one end and a connector cavity formed on the opposite end thereof. The connector cavity is sized to receive the connector extension. First and second retention projections preferably extend from a face of the in-line block. The corner block preferably includes the connector extension formed on one end and the connector cavity formed in a side at the opposite end thereof. The offset block includes the connector extension formed on one side at one end and the connector cavity formed on the opposite side at the opposite end thereof. The end block includes a connector extension or a connector cavity disposed on one end. At least one cavity is formed through each block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.