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
Communication system with interlocking calling system
US 2,932,729 A
Filed
: 01/28/1954
Issued
: 04/12/1960
Est. Priority Date
: 02/12/1953
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
19
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
Shigeki Yamato
,
Taro Sudo
Original Assignee
Shigeki Yamato
,
Taro Sudo
Inventors
SHIGEKI YAMATO
,
TARO SUDO
Application Number
US03/406,763
Time in Patent Office
2,266 Days
Field of Search
US Class Current
455/528
CPC Class Codes
H04B 7/24
for communication between t...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×