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
Vacuum cleaner
US 2,937,713 A
Filed
: 01/11/1957
Issued
: 05/24/1960
Est. Priority Date
: 01/11/1957
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
105
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
Elias H. Dewey
,
Revis L. Stephenson
Original Assignee
Elias H. Dewey
,
Revis L. Stephenson
Inventors
Stephenson, Revis L.
,
Dewey, Elias H.
Application Number
US03/633,669
Time in Patent Office
1,229 Days
Field of Search
US Class Current
55/334
CPC Class Codes
A47L 9/1608
Cyclonic chamber constructions
A47L 9/165
Construction of inlets
E01H 1/0836
Apparatus dislodging all of...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×