US3109288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillating and aerating ice and water control
Assignee: PERMA PIER Inc
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Filing: 1960-01-19
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Granted: 1963-11-05
•
Expires: 1980-01-19
Abstract
No abstract record available.
Inventors
- 👤 George E Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:06
CPC Classifications
E; E02; E02B; E02B1/00; E02B1/003; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2332; B01F23/2336; B01F23/23366; B01F23/40; B01F23/45; B01F23/454; B01F25/00; B01F25/20; B01F25/21; B01F25/212; B01F25/2121; B01F25/2125; B01F27/00; B01F27/25; B01F23/2335; B01F23/23354; B01F27/05; B01F27/11; B01F27/113; B01F27/60; B01F33/00; B01F33/80; B01F33/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A METHOD OF AERATING AT LEAST A SUBSTANTIAL PORTION OF A LARGE BODY OF WATER, SUCH AS A LAKE OR THE LIKE, AND AT THE SAME TIME PREVENTING THE FORMATION OF ICE ON THE SURFACE THEREOF IN A DEFINED AREA, INCLUDING THE STEPS OF LOCALLY PROPELLING THE WATER AT A SELECTED LOCATION BELOW THE SURFACE THEREOF AND IN A DEFINED DIRECTION TO SET UP AN UNCONFINED OTHERWISE FREE CURRENT SHAFT IN THE WATER, DIRECTING THE CURRENT SHAFT UNDER THE DEFINED AREA, MOVING AIR FROM ABOVE THE SURFACE OF THE BODY OF WATER DOWN TO THE UNCONFINED CURRENT SHAFT, DIVIDING THE AIR INTO FINE BUBBLES OF A SIZE SMALL ENOUGH, IN RELATION TO THE SURFACE TENSION BETWEEN AIR AND WATER, SUCH THAT THE FINELY DIVIDED BUBLES WILL REMAIN IN SUSPENSION AND WILL NOT RISE RAPIDLY TO THE SURFACE, AND INTRODUCING THE FINELY DIVIDED BUBBLES INTO THE UNCONFINED CURRENT SHAFT SO THAT THE RESULTANT MIXTURE OF WATER AND FINELY DIVIDED BUBLES WILL SET UP AN AERATED COLUMN HAVING A REDUCED DENSITY, WHEREBY THE REDUCED DENSITY AERATED COLUMN WILL RISE TO THE SURFACE OF THE BODY OF WATER IN THE DEFINED AREA.
Claim 2
Independent Claim
189 words
A METHOD OF AERATING AT LEAST A SUBSTANTIAL PORTION OF A LARGE BODY OF WATER, SUCH AS A LAKE OR THE LIKE, AND AT THE SAME TIME PREVENTING THE FORMATION OF ICE ON THE SURFACE THEREOF IN A DEFINED AREA, INCLUDING THE STEPS OF LOCALLY PROPELLING THE WATER AT A SELECTED LOCATION BELOW THE SURFACE THEREOF AND IN A DEFINED DIRECTION TO SET UP AN UNCONFINED OTHERWISE FREE CURRENT SHAFT IN THE WATER, DIRECTING THE CURRENT SHAFT UNDER THE DEFINED AREA, MOVING AIR FROM ABOVE THE SURFACE OF THE BODY OF WATER DOWN TO THE UNCONFINED CURRENT SHAFT, DIVIDING THE AIR INTO FINE BUBBLES OF A SIZE SMALL ENOUGH, IN RELATION TO THE SURFACE TENSION BETWEEN AIR AND WATER, SUCH THAT THE FINELY DIVIDED BUBLES WILL REMAIN IN SUSPENSION AND WILL NOT RISE RAPIDLY TO THE SURFACE, AND INTRODUCING THE FINELY DIVIDED BUBBLES INTO THE UNCONFINED CURRENT SHAFT SO THAT THE RESULTANT MIXTURE OF WATER AND FINELY DIVIDED BUBLES WILL SET UP AN AERATED COLUMN HAVING A REDUCED DENSITY, WHEREBY THE REDUCED DENSITY AERATED COLUMN WILL RISE TO THE SURFACE OF THE BODY OF WATER IN THE DEFINED AREA.
References Cited (Backward Citations)
US2116023A
Cited
DE886580C
Cited
US2417519A
Cited
US2856704A
Cited
FR1163168A
Cited
US2991622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |