US2914385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contacting apparatus
Assignee: Universal Oil Products Co
•
Filing: 1955-09-02
•
Granted: 1959-11-24
•
Expires: 1975-09-02
Abstract
No abstract record available.
Inventors
- 👤 Lester G Massey
- 👤 William K T Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:19
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/0434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A CONTACTING APPARATUS COMPRISING IN COMBINATION A VERTICAL SHELL CONTAINING A SERIES OF HORIZONTAL ANNULAR RING-SHAPED PLATES ATTACHED THERETO AT VERTICAL INTERVALS ALONG ITS HEIGHT AND HAVING OPENINGS THERETHROUGH, VERTICAL BAFFLES ATTACHED TO THE WALL OF THE SHELL BETWEEN SAID PLATES, A ROTATABLE SHAFT EXTENDING THROUGH THE OPENINGS OF SAID RING-SHAPED PLATES AND THROUGH SAID SHELL PARALLEL TO THE AXIS OF SAID SHELL, AND PERFORATED DISCS ATTACHED AT OBLIQUE ANGLES TO SAID SHAFT, EACH OF SAID PRFORATED DISCS BEING POSITIONED IN THE OPENING OF ONE OF SAID RINGSHAPED PLATES WITH PART OF ITS PERIPHERY ABOVE AND ANOTHER PART OF ITS PERIPHERY BELOW THE PLATE AND ADJACENT DISCS BEING MOUNTED AT OPPOSING ANGELS ON SAID SHAFT.
Claim 2
Dependent Claim
115 words
A CONTACTING APPARATUS COMPRISING IN COMBINATION A VERTICAL SHELL CONTAINING A SERIES OF HORIZONTAL ANNULAR RING-SHAPED PLATES ATTACHED THERETO AT VERTICAL INTERVALS ALONG ITS HEIGHT AND HAVING OPENINGS THERETHROUGH, VERTICAL BAFFLES ATTACHED TO THE WALL OF THE SHELL BETWEEN SAID PLATES, A ROTATABLE SHAFT EXTENDING THROUGH THE OPENINGS OF SAID RING-SHAPED PLATES AND THROUGH SAID SHELL PARALLEL TO THE AXIS OF SAID SHELL, AND PERFORATED DISCS ATTACHED AT OBLIQUE ANGLES TO SAID SHAFT, EACH OF SAID PRFORATED DISCS BEING POSITIONED IN THE OPENING OF ONE OF SAID RINGSHAPED PLATES WITH PART OF ITS PERIPHERY ABOVE AND ANOTHER PART OF ITS PERIPHERY BELOW THE PLATE AND ADJACENT DISCS BEING MOUNTED AT OPPOSING ANGELS ON SAID SHAFT.
References Cited (Backward Citations)
US1793465A
Cited
US1856120A
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US2029691A
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US2273660A
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US2667407A
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US2610836A
Cited
US2740696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |