Solutions
Empower Patent Analytics
Empower Litigation Defense
Empower License Manager
Use Cases
Patent Licensing
Portfolio Management
Litigation Strategy
Market Intelligence
Data Platform
Contact Us
Login
×
View as Organization
Power-supply system for electric shovels and the like
US 2,003,688 A
Filed
: 06/16/1930
Issued
: 06/04/1935
Est. Priority Date
: 06/16/1930
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
8
Forward Citations
0
Assignments
First Claim
Patent Images
View all claims
0 Assignments
Timeline View
Assignment View
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
0 Petitions
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
Accused Products
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
Citations
0 Claims
Specification
Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
Current Assignee
Clarence B. Hathaway
Original Assignee
Clarence B. Hathaway
Inventors
Hathaway, Clarence B.
Application Number
US02/461,333
Time in Patent Office
1,814 Days
Field of Search
US Class Current
318/105
CPC Class Codes
H02P 9/42
to obtain desired frequency...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×