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
Loudspeaker system
US 2,766,839 A
Filed
: 03/16/1953
Issued
: 10/16/1956
Est. Priority Date
: 03/16/1953
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
35
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
Henry C. Lang
,
Jordan J. Baruch
Original Assignee
Henry C. Lang
,
Jordan J. Baruch
Inventors
Baruch, Jordan J.
,
Lang, Henry C.
Application Number
US03/342,554
Time in Patent Office
1,310 Days
Field of Search
US Class Current
181/146
CPC Class Codes
H04R 1/2811
for loudspeaker transducers
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×