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
Magnetic pickup
US 2,547,990 A
Filed
: 11/21/1945
Issued
: 04/10/1951
Est. Priority Date
: 11/21/1945
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
18
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
18 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
Frank F. Willms
Original Assignee
Frank F. Willms
Inventors
Willms, Frank F.
Application Number
US02/630,108
Time in Patent Office
1,966 Days
Field of Search
US Class Current
294/65.5
CPC Class Codes
H01F 7/0257
Lifting, pick-up magnetic o...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×