Membership
Tour
Register
Log in
3218811
Follow
Information
Patent Grant
3218811
References
Source
Patent Number
3,218,811
Date Filed
Not available
Date Issued
Tuesday, November 23, 1965
58 years ago
CPC
E21D23/04 - Structural features of the supporting construction
E21D17/01 - characterised by the shape of the cap
E21D23/06 - Special mine caps or special tops of pit-props for permitting step-by-step movement
US Classifications
405 - Hydraulic and earth engineering
248 - Supports
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Text data is not available. Click on
here
to see the original data.