Membership
Tour
Register
Log in
3016989
Follow
Information
Patent Grant
3016989
References
Source
Patent Number
3,016,989
Date Filed
Not available
Date Issued
Tuesday, January 16, 1962
62 years ago
CPC
E21D3/00 - Raising shafts
E21B7/026 - having auxiliary platforms
US Classifications
187 - Elevator, industrial lift truck, or stationary lift for vehicle
182 - Fire escape, ladder, or scaffold
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Text data is not available. Click on
here
to see the original data.