US3276841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defouling under-water structures
Assignee: Distillers Co Yeast Ltd
•
Filing: 1962-01-23
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Granted: 1966-10-04
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Philip Thomas Bruce
- 👤 Scovell Peter Eric
- 👤 Palmer Peter Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/04; Y; Y02; Y02T; Y02T70/00; Y02T70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A METHOD FOR EVENLY DISTRIBUTING LIQUID GROWTH DETERRENT OVER A SURFACE ENCOMPASSED BY WATER WHICH COMPRISES INTERMITTENTLY EJECTING SAID LIQUID GROWTH DETERRENT AS A PLURALITY OF STREAMS, ALTERNATELY INCREASING AND DECREASING PROPELLANT PRESSURE ON SAID LIQUID GROWTH DETERRENT, THE MAGNITUDE OF THE GREATEST PROPELLANT PRESSURE ON SAID LIQUID GROWTH DETERGENT BEING GREATER THAN BACKWARD PRESSURE OF THE WATER AND THE MAGNITUDE OF THE LOWEST PROPELLANT PRESSURE ON SAID LIQUID GROWTH DETERRENT BEING LOWER THAN THE BACKWARD PRESSURE OF THE WATER AND WHEN SAID PROPELLANT PRESSURE ON SAID LIQUID DETERRENT IS LESS THAN SAID BACKWARD PRESSURE OF THE WATER, DISCONTINUING CONTACT BETWEEN SAID WATER AND SAID LIQUID GROWTH DETERRENT AT THE POINT OF EJECTION OF EACH STREAM WHEREBY THE EFFECT OF BACKWARD PRESSURE OF WATER ON SAID LIQUID GROWTH DETERRENT IS NEUTRALIZED.
Claim 2
Independent Claim
131 words
A METHOD FOR EVENLY DISTRIBUTING LIQUID GROWTH DETERRENT OVER A SURFACE ENCOMPASSED BY WATER WHICH COMPRISES INTERMITTENTLY EJECTING SAID LIQUID GROWTH DETERRENT AS A PLURALITY OF STREAMS, ALTERNATELY INCREASING AND DECREASING PROPELLANT PRESSURE ON SAID LIQUID GROWTH DETERRENT, THE MAGNITUDE OF THE GREATEST PROPELLANT PRESSURE ON SAID LIQUID GROWTH DETERGENT BEING GREATER THAN BACKWARD PRESSURE OF THE WATER AND THE MAGNITUDE OF THE LOWEST PROPELLANT PRESSURE ON SAID LIQUID GROWTH DETERRENT BEING LOWER THAN THE BACKWARD PRESSURE OF THE WATER AND WHEN SAID PROPELLANT PRESSURE ON SAID LIQUID DETERRENT IS LESS THAN SAID BACKWARD PRESSURE OF THE WATER, DISCONTINUING CONTACT BETWEEN SAID WATER AND SAID LIQUID GROWTH DETERRENT AT THE POINT OF EJECTION OF EACH STREAM WHEREBY THE EFFECT OF BACKWARD PRESSURE OF WATER ON SAID LIQUID GROWTH DETERRENT IS NEUTRALIZED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |