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
Magnifying reflection viewer for stereoscopic pictures
US 2,581,000 A
Filed
: 04/06/1946
Issued
: 01/01/1952
Est. Priority Date
: 04/06/1946
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
9
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
Jacob C. Copeland
Original Assignee
Jacob C. Copeland
Inventors
Copeland, Jacob C.
Application Number
US02/660,129
Time in Patent Office
2,096 Days
Field of Search
US Class Current
359/466
CPC Class Codes
G02B 30/35
using reflective optical el...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×