Patent Application
Provisional
App. No. 60/278,477
· Confirmation No. 6963
Non-chemical water purification method and apparatus
Inventor:
Dennis E.J. Johnson
Provisional Application Expired
Inventors
Dennis E.J. Johnson
Colorado Springs, CO
Attorneys & Agents of Record
Prosecution
- Customer No.
- 32116
- Docket No.
- DJ-18
- Confirmation No.
- 6963
Child
Claims priority from a provisional application
→
App. 11/621,516
Filed 2007-01-09
· Abandoned -- Incomplete Application (Pre-examination)
Child
Claims priority from a provisional application
→
App. 10/106,810
· US 6,923,901
Filed 2002-03-26
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
Claims priority from a provisional application
→
App. 10/104,713
· US 6,740,245
Filed 2002-03-25
· Patented Case
Child
Claims priority from a provisional application
→
App. 10/845,070
· US 7,160,448
Filed 2004-05-14
· Patented Case
No recorded assignments were found for this patent.
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Quick Facts
- App. No.
- 60/278,477
- Filed
- 2001-03-26
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