US3362104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for growing algae
Assignee: University of California Berkeley
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Filing: 1964-11-13
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Granted: 1968-01-09
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 William J Oswald
- 👤 Clarence G Golueke
- 👤 Charles A Beeson
- 👤 Don O Horning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:14
CPC Classifications
A; A01; A01G; A01G33/00; C; C12; C12M; C12M21/00; C12M21/02; C12M27/00; C12M27/10; C12M31/00; C12M31/02; C12M33/00; C12M33/22; C02; C02F; C02F3/00; C02F3/32; C02F3/322; Y; Y02; Y02A; Y02A40/00; Y02A40/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AN APPARATUS FOR GROWING ALGAE COMPRISING MEANS FORMING A SUBSTANTIALLY AIR TIGHT FRAME AND ENCLOSURE, A SUBSTANTIALLY VERTICAL CIRCULAR CYLINDRICAL WALL, MEANS FOR MOUNTING SAID WALL ON SAID FRAME FOR ROTATION ABOUT ITS SUBSTANTIALLY VERTICAL CYLINDER AXIS, MEANS FOR SUPPLYING LIQUID CONTAINING ALGAE TO A SPACE ADJACENT THE RADIALLY INNER SIDE OF SAID WALL, MEANS FOR ROTATING SAID WALL ABOUT SAID AXIS AT A SPEED SUFFICIENT TO MAINTAIN LIQUID CONTAINING ALGAE THEREON BY CENTRIFUGAL FORCE, A HEAT TRANSFER UNIT WITHIN SAID ENCLOSURE, AND MEANS FOR CIRCULATING ATMOSPHERE WITHIN SAID ENCLOSURE BETWEEN THE REGION OF SAID WALL ANF THE REGION OF SAID HEAT TRANSFER UNIT.
Claim 2
Independent Claim
104 words
AN APPARATUS FOR GROWING ALGAE COMPRISING MEANS FORMING A SUBSTANTIALLY AIR TIGHT FRAME AND ENCLOSURE, A SUBSTANTIALLY VERTICAL CIRCULAR CYLINDRICAL WALL, MEANS FOR MOUNTING SAID WALL ON SAID FRAME FOR ROTATION ABOUT ITS SUBSTANTIALLY VERTICAL CYLINDER AXIS, MEANS FOR SUPPLYING LIQUID CONTAINING ALGAE TO A SPACE ADJACENT THE RADIALLY INNER SIDE OF SAID WALL, MEANS FOR ROTATING SAID WALL ABOUT SAID AXIS AT A SPEED SUFFICIENT TO MAINTAIN LIQUID CONTAINING ALGAE THEREON BY CENTRIFUGAL FORCE, A HEAT TRANSFER UNIT WITHIN SAID ENCLOSURE, AND MEANS FOR CIRCULATING ATMOSPHERE WITHIN SAID ENCLOSURE BETWEEN THE REGION OF SAID WALL ANF THE REGION OF SAID HEAT TRANSFER UNIT.
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |