US3223121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acid-water mixing device
Assignee: Phillips Petroleum Co
•
Filing: 1962-04-23
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Granted: 1965-12-14
•
Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Chester E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:27
CPC Classifications
F; F28; F28F; F28F25/00; B; B01; B01F; B01F25/00; B01F25/40; B01F25/42; B01F25/43; B01F25/433; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
AN APPARATUS FOR MIXING LIQUIDS COMPRISING A PIPE ADAPTED TO BE POSITIONED IN A GENERALLY HORIZONTAL POSITION; A PLURALITY OF BAFFLES POSITIONED IN SPACED-APART RELATION ALONG THE AXIS OF SAID PIPE AND TRANSVERSELY THERETO, EACH OF SAID BAFFLES APPROXIMATELY A SEMI-CIRCLE THE CURVED EDGE OF WHICH ENGAGES A LOWER WALL SECTION OF SAID PIPE, THE STRAIGHT LINE EDGE OF WHICH IS OBLIQUE, ALTERNATE BAFFLES BEING POSITIONED WITH THEIR STRAIGHT EDGES IN CORRESPONDING SLOPE, THE REMAINING BAFFLES BEING POSITIONED REVERSELY AS TO SLOPE.
Claim 2
Independent Claim
82 words
AN APPARATUS FOR MIXING LIQUIDS COMPRISING A PIPE ADAPTED TO BE POSITIONED IN A GENERALLY HORIZONTAL POSITION; A PLURALITY OF BAFFLES POSITIONED IN SPACED-APART RELATION ALONG THE AXIS OF SAID PIPE AND TRANSVERSELY THERETO, EACH OF SAID BAFFLES APPROXIMATELY A SEMI-CIRCLE THE CURVED EDGE OF WHICH ENGAGES A LOWER WALL SECTION OF SAID PIPE, THE STRAIGHT LINE EDGE OF WHICH IS OBLIQUE, ALTERNATE BAFFLES BEING POSITIONED WITH THEIR STRAIGHT EDGES IN CORRESPONDING SLOPE, THE REMAINING BAFFLES BEING POSITIONED REVERSELY AS TO SLOPE.
Claim 3
Dependent Claim
7 words
A COOLING TOWER SYSTEM COMPRISING, IN COMBINATION,
Claim 4
Dependent Claim
7 words
A COOLING TOWER SYSTEM COMPRISING, IN COMBINATION,
References Cited (Backward Citations)
US1399200A
Cited
US1559344A
Cited
US1721944A
Cited
US2125245A
Cited
US3074277A
Cited
US3045984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |