All
All
Patent Litigation
Parties
Patents
News
Judges
Law Firms
Attorneys
Venues
Please enter minimum 2 characters
All
Litigation
Parties
Patents
News
Judges
Law Firms
Attorneys
Venues
Use Cases
Litigation Research
Litigation Strategy
Risk Analysis
Business Development
Active Matter Management
Monitoring
Contact Us
Login
×
View as Organization
Valved cylinder heads
US 3,412,931 A
Filed
: 10/18/1966
Issued
: 11/26/1968
Est. Priority Date
: 10/18/1966
Status: Expired due to Term
Alert
Pin
0
Associated Cases
0
Associated Defendants
0
Product Citations
0
Petitions
4
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
4 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
Palmer, Harry E.
Original Assignee
Palmer, Harry E.
Inventors
Palmer, Harry E.
Application Number
US04/587,600
Time in Patent Office
770 Days
Field of Search
US Class Current
137/454.4
CPC Class Codes
F04B 53/102
Disc valves
F04B 53/1032
Spring-actuated disc valves...
F04B 53/1035
with means for limiting the...
Y10T 137/7559
Pump type
Y10T 137/7668
Retained by bonnet or closure
Y10T 137/7838
Plural
Subscription Required
This content requires a subscription to view
Contact Us
or
Login
×
×