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
Roller skate
US 2,644,692 A
Filed
: 05/28/1951
Issued
: 07/07/1953
Est. Priority Date
: 05/28/1951
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
74
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
74 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
Ernest Kahlert
Original Assignee
Ernest Kahlert
Inventors
ERNEST KAHLERT
Application Number
US03/228,681
Time in Patent Office
771 Days
Field of Search
US Class Current
280/11.221
CPC Class Codes
A63C 17/0046
with shock absorption or su...
A63C 17/06
single-track type
A63C 17/226
Wheel mounting, i.e. arrang...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×