US3224121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for optimizing dredge production
Assignee: Individual
•
Filing: 1963-01-29
•
Granted: 1965-12-21
•
Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Rick A Denning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:36
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/905; E02F3/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A SUCTION DREDGE HAVING A DRAGHEAD, MEANS FOR REGULATING THE POSITION OF SAID DRAGHEAD, A SUCTION PUMP, AND MEASURING MEANS FOR CONTINUOUSLY DETERMINING THE OPERATING CONDITIONS OF THE DREDGED MIXTURE AND THE PUMP AND THE POSITION OF THE DRAGHEAD IN RELATION TO THE CHANNEL BOTTOM, THE IMPROVEMENT COMPRISING APPARATUS FOR CONTROLLING THE OUTPUT OF THE DREDGE, SAID APPARATUS COMPRISING: (A) PRIMARY CONTROL MEANS ASSOCIATED WITH EACH OF THE MEASURING MEANS FOR PRODUCING A SEPARATE SIGNAL WHEN THE MEASUREMENT PRODUCED BY ITS ASSOCIATED MEASURING MEANS EXCEEDS OR FALLS BELOW PREDETERMINED LIMITS; AND (B) COMMAND SIGNAL MEANS FOR CORRELATING THE SEPARATE SIGNALS PRODUCED BY SAID PRIMARY CONTROL MEANS AND FOR SELECTIVELY COMMANDING CORRECTIONS IN THE SPEED OF SAID DREDGE PUMP AND THE POSITION OF SAID DRAGHEAD.
Claim 2
Dependent Claim
125 words
IN A SUCTION DREDGE HAVING A DRAGHEAD, MEANS FOR REGULATING THE POSITION OF SAID DRAGHEAD, A SUCTION PUMP, AND MEASURING MEANS FOR CONTINUOUSLY DETERMINING THE OPERATING CONDITIONS OF THE DREDGED MIXTURE AND THE PUMP AND THE POSITION OF THE DRAGHEAD IN RELATION TO THE CHANNEL BOTTOM, THE IMPROVEMENT COMPRISING APPARATUS FOR CONTROLLING THE OUTPUT OF THE DREDGE, SAID APPARATUS COMPRISING: (A) PRIMARY CONTROL MEANS ASSOCIATED WITH EACH OF THE MEASURING MEANS FOR PRODUCING A SEPARATE SIGNAL WHEN THE MEASUREMENT PRODUCED BY ITS ASSOCIATED MEASURING MEANS EXCEEDS OR FALLS BELOW PREDETERMINED LIMITS; AND (B) COMMAND SIGNAL MEANS FOR CORRELATING THE SEPARATE SIGNALS PRODUCED BY SAID PRIMARY CONTROL MEANS AND FOR SELECTIVELY COMMANDING CORRECTIONS IN THE SPEED OF SAID DREDGE PUMP AND THE POSITION OF SAID DRAGHEAD.
References Cited (Backward Citations)
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US2508087A
Cited
US2795873A
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US2644400A
Cited
US2661550A
Cited
US2889779A
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |