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 2,302,111 A
Filed
: 11/26/1940
Issued
: 11/17/1942
Est. Priority Date
: 11/26/1940
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
108
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
108 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
Dewey M. Dow
,
Frederick H. Burmeister
Original Assignee
Dewey M. Dow
,
Frederick H. Burmeister
Inventors
Dow, Dewey M.
,
Burmeister, Frederick H.
Application Number
US02/367,212
Time in Patent Office
721 Days
Field of Search
US Class Current
15/396
CPC Class Codes
A47L 9/02
Nozzles suction nozzles for...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×