US3284058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface aeration of liquids
Assignee: Ames Crosta Mills and Co Ltd
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Filing: 1965-02-08
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Granted: 1966-11-08
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 James F Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:02
CPC Classifications
B; B66; B66C; B66C19/00; B66C19/02; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/234; B01F23/2342; B01F23/23421; C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/14; C02F3/16; C02F3/165; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y02W10/30; Y02W10/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
APPARATUS FOR THE SURFACE AERATION OF LIQUIDS, COMPRISING A TANK FOR CONTAINING THE LIQUID UNDER TREATMENT; A SUBMERGED UPTAKE TUBE MOUNTED VERTICALLY IN SAID TANK, A PLATFORM ABOVE SAID TANK AND HAVING A CIRCULAR OPENING THEREIN DIRECTLY ABOVE SAID UPTAKE TUBE; AN ANNULAR BASEPLATE MOUNTED ON SAID PLATFORM AROUND SAID OPENING AND ADJUSTABLE WITH REFERENCE TO SAID UPTAKE TUBE; A DRIVE UNIT SUPPORTED ON SAID BASEPLATE; A DEPENDANT SPIGOT ON SAID DRIVE UNIT LOCATED ON SAID BASEPLATE; A VERTICAL OUT-
Claim 2
Dependent Claim
80 words
APPARATUS FOR THE SURFACE AERATION OF LIQUIDS, COMPRISING A TANK FOR CONTAINING THE LIQUID UNDER TREATMENT; A SUBMERGED UPTAKE TUBE MOUNTED VERTICALLY IN SAID TANK, A PLATFORM ABOVE SAID TANK AND HAVING A CIRCULAR OPENING THEREIN DIRECTLY ABOVE SAID UPTAKE TUBE; AN ANNULAR BASEPLATE MOUNTED ON SAID PLATFORM AROUND SAID OPENING AND ADJUSTABLE WITH REFERENCE TO SAID UPTAKE TUBE; A DRIVE UNIT SUPPORTED ON SAID BASEPLATE; A DEPENDANT SPIGOT ON SAID DRIVE UNIT LOCATED ON SAID BASEPLATE; A VERTICAL OUT-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |