US3016345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon filtration
Assignee: Permanent Filter Corp
•
Filing: 1958-05-14
•
Granted: 1962-01-09
•
Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Harold A Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:27
CPC Classifications
C; C10; C10G; C10G31/00; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D17/06; B01D17/08; B01D17/10; B01D39/00; B01D39/14; C10G33/00; C10G33/02; C10G33/06; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD OF REMOVING CONTAMINANTS INCLUDING WATER PARTICLES FROM A HYDROCARBON LIQUID WHICH COMPRISES SEPARATING OUT SOLID MATERIAL CONTAMINANTS AND INCREASING THE STATIC ELECTRICAL CHARGES ON THE WATER PARTICLES, THEN SUBSTANTIALLY NEUTRALIZING THE ELECTRICAL CHARGES ON THE WATER PARTICLES, SUBSEQUENTLY COALESCING THE WATER PARTICLES TO PROPAGATE THE SIZE THEREOF, AND FINALLY SEPARATING OUT THE PARTICLES OF WATER FROM THE HYDROCARBON LIQUID.
Claim 2
Independent Claim
61 words
A METHOD OF REMOVING CONTAMINANTS INCLUDING WATER PARTICLES FROM A HYDROCARBON LIQUID WHICH COMPRISES SEPARATING OUT SOLID MATERIAL CONTAMINANTS AND INCREASING THE STATIC ELECTRICAL CHARGES ON THE WATER PARTICLES, THEN SUBSTANTIALLY NEUTRALIZING THE ELECTRICAL CHARGES ON THE WATER PARTICLES, SUBSEQUENTLY COALESCING THE WATER PARTICLES TO PROPAGATE THE SIZE THEREOF, AND FINALLY SEPARATING OUT THE PARTICLES OF WATER FROM THE HYDROCARBON LIQUID.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |