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
Stamped helical coil
US 2,568,169 A
Filed
: 05/11/1949
Issued
: 09/18/1951
Est. Priority Date
: 05/11/1949
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
48
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
Edward Raczynski Chester
Original Assignee
Edward Raczynski Chester
Inventors
EDWARD RACZYNSKI CHESTER
Application Number
US03/092,575
Time in Patent Office
860 Days
Field of Search
US Class Current
336/223
CPC Class Codes
H01C 3/10
the resistive element havin...
H01F 17/045
with core of cylindric geom...
H01F 27/2847
Sheets; Strips H01F27/2866 ...
Y10T 29/18
Expanded metal making
Y10T 29/4902
Electromagnet, transformer ...
Y10T 29/49609
Spring making
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×