US3273872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributor plate
Assignee: United States Stoneware Co
•
Filing: 1963-01-28
•
Granted: 1966-09-20
•
Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 John S Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:59
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/18; B01D3/20; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A DISTRIBUTOR PLATE WHICH COMPRISES AT LEAST TWO CONCENTRIC CIRCULAR WEIR WALLS, EACH WALL HAVING THEREIN A SERIES OF DOWNWARDLY NARROWING OPENINGS, AN ANNULAR FLOOR BETWEEN THE WALLS AND CONTACTING EACH, WITH THE FLOOR CONTACTING THE FIRST WALL BELOW THE OPENINGS THEREIN AND CONTACTING THE SECOND WALL AT A POSITION BETWEEN THE TOPS AND THE BOTTOM OF THE OPENINGS THEREIN WHEREBY WHEN LIQUID IS ON THE FLOOR THE BOTTOMS OF THE DOWNWARDLY NARROWING OPENINGS RESTRICT AND REGULATE THE AMOUNT OF LIQUID WHICH FLOWS THROUGH THE FIRST WALL WHILE LIQUID IS SIMULTANEOUSLY FLOWING THROUGH THE UPPER PARTS OF THE OPENINGS IN THE SECOND WALL.
Claim 2
Dependent Claim
103 words
A DISTRIBUTOR PLATE WHICH COMPRISES AT LEAST TWO CONCENTRIC CIRCULAR WEIR WALLS, EACH WALL HAVING THEREIN A SERIES OF DOWNWARDLY NARROWING OPENINGS, AN ANNULAR FLOOR BETWEEN THE WALLS AND CONTACTING EACH, WITH THE FLOOR CONTACTING THE FIRST WALL BELOW THE OPENINGS THEREIN AND CONTACTING THE SECOND WALL AT A POSITION BETWEEN THE TOPS AND THE BOTTOM OF THE OPENINGS THEREIN WHEREBY WHEN LIQUID IS ON THE FLOOR THE BOTTOMS OF THE DOWNWARDLY NARROWING OPENINGS RESTRICT AND REGULATE THE AMOUNT OF LIQUID WHICH FLOWS THROUGH THE FIRST WALL WHILE LIQUID IS SIMULTANEOUSLY FLOWING THROUGH THE UPPER PARTS OF THE OPENINGS IN THE SECOND WALL.
References Cited (Backward Citations)
US998930A
Cited
US2428922A
Cited
US2639130A
Cited
US2646762A
Cited
US3099697A
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US3066631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |