Patent Application
Provisional
App. No. 61/850,690
· Confirmation No. 4450
Friction modifier composition for rail tracks
Provisional Application Expired
Inventors
Kelvin Chiddick
Vancouver, CA
Alejandro Medrano
Garland, TX
Randall Krinker
Garland, TX
Kyle Wilson
Rowleh, TX
David Birdwell
Garland, TX
Attorneys & Agents of Record
Prosecution
- Confirmation No.
- 4450
Child
Claims priority from a provisional application
→
App. 14/967,264
· US 10,173,700
Filed 2015-12-11
· Patented Case
Child
Claims priority from a provisional application
→
App. 15/482,556
· US 10,214,225
Filed 2017-04-07
· Patented Case
Child
Claims priority from a provisional application
→
App. 17/066,158
Filed 2020-10-08
· Abandoned -- Failure to Respond to an Office Action
Child
PCT
Claims priority from a provisional application
→
PCT/US2014/010188
Filed 2014-01-03
· RO PROCESSING COMPLETED-PLACED IN STORAGE
Child
Claims priority from a provisional application
→
App. 14/655,903
· US 9,617,498
Filed 2015-06-26
· Patented Case
Child
Claims priority from a provisional application
→
App. 16/203,797
· US 10,960,907
Filed 2018-11-29
· Patented Case
No recorded assignments were found for this patent.
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Quick Facts
- App. No.
- 61/850,690
- Filed
- 2013-02-21
External Links