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
Apparatus for effecting operation of subsurace well bore devices
US 2,871,946 A
Filed
: 04/20/1956
Issued
: 02/03/1959
Est. Priority Date
: 04/20/1956
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
25
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
Herbert L. Bigelow
Original Assignee
Herbert L. Bigelow
Inventors
Bigelow, Herbert L.
Application Number
US03/579,672
Time in Patent Office
1,019 Days
Field of Search
US Class Current
166/64
CPC Class Codes
E21B 47/04
Measuring depth or liquid l...
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×