Patent US3279768A successfully refreshed from Google Patents.
US3279768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerators for confined liquids
Assignee: Individual
•
Filing: 1964-02-10
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Granted: 1966-10-18
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Edward S Niewiarowicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:02
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; A01K63/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A SUBMERSIBLE AERATOR FOR USE IN SUPPYING AIR TO CONFINED LIQUIDS, SUCH AERATOR COMPRISING A HOUSING HAVING AN UPPER AND A LOWER COMPARTMENT COMMUNICATING WITH EACH OTHER THROGH A CENTRAL OPENING, SAID LOWER COMPARTMENT HAVING THEREIN A PLURALITY OF OPENINGS, AN ELECTRIC MOTOR IN THE UPPER COMPARTMENT HAVING A ROTABABLE SHAFT EXTENDING THROUGH THE CENTRAL OPENING INTO THE LOWER COMPARTMENT OF THE HOUSING, A CASE HAVING THE INTERIOR VENTED TO THE ATMOSPHERE, A SOURCE OF ELECTRICAL POTENTIAL IN THE CASE, A HOLLOW CONDUCTOR BETWEEN THE CASE AND THE UPPER COMPARTMENT OF THE HOUSING, ELECTRICAL CONDUCTORS IN THE HOLLOW CONDUCTOR CONNECTING THE SOURCE OF ELECTRICAL POTENTIAL TO THE ELECTRIC MOTOR, AND AN IMPELLER MOUNTED ON THE ROTATABLE SHAFT IN THE LOWER COMPARTMENT OF THE HOUSING, SUCH IMPEELER WHEN IN ROTATION ADAPTED TO DRAW AIR FROM THE ATMOSPHERE THROUGH THE HOLLOW CONDUCTOR AND MIXING IT WITH THE CONFINED LIQUID WHICH IS CIRCULATES THROUGH THE OPENINGS IN THE LOWER COMPARTMENT OF THE HOUSING WHEN THE LATTER IS IMMERSED.
Claim 2
Dependent Claim
165 words
A SUBMERSIBLE AERATOR FOR USE IN SUPPYING AIR TO CONFINED LIQUIDS, SUCH AERATOR COMPRISING A HOUSING HAVING AN UPPER AND A LOWER COMPARTMENT COMMUNICATING WITH EACH OTHER THROGH A CENTRAL OPENING, SAID LOWER COMPARTMENT HAVING THEREIN A PLURALITY OF OPENINGS, AN ELECTRIC MOTOR IN THE UPPER COMPARTMENT HAVING A ROTABABLE SHAFT EXTENDING THROUGH THE CENTRAL OPENING INTO THE LOWER COMPARTMENT OF THE HOUSING, A CASE HAVING THE INTERIOR VENTED TO THE ATMOSPHERE, A SOURCE OF ELECTRICAL POTENTIAL IN THE CASE, A HOLLOW CONDUCTOR BETWEEN THE CASE AND THE UPPER COMPARTMENT OF THE HOUSING, ELECTRICAL CONDUCTORS IN THE HOLLOW CONDUCTOR CONNECTING THE SOURCE OF ELECTRICAL POTENTIAL TO THE ELECTRIC MOTOR, AND AN IMPELLER MOUNTED ON THE ROTATABLE SHAFT IN THE LOWER COMPARTMENT OF THE HOUSING, SUCH IMPEELER WHEN IN ROTATION ADAPTED TO DRAW AIR FROM THE ATMOSPHERE THROUGH THE HOLLOW CONDUCTOR AND MIXING IT WITH THE CONFINED LIQUID WHICH IS CIRCULATES THROUGH THE OPENINGS IN THE LOWER COMPARTMENT OF THE HOUSING WHEN THE LATTER IS IMMERSED.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |