Patent JPS54759A successfully refreshed from Google Patents.
Patent US3148464A successfully refreshed from Google Patents.
US3148464A
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Dredging apparatus
Assignee: Individual
•
Filing: 1962-06-07
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Granted: 1964-09-15
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Expires: 1982-06-07
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:23
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9256; E02F3/9268; E02F3/9275; E02F3/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A DREDGING APPARATUS COMPRISING A WALL MEMBER HAVING AN INTERMEDIATE CIRCULAR SECTION TERMINATING IN AN UPPER AND A LOWER TRUNCATED CONICALLY SHAPED SECTION, A HOUSING CONCENTRICALLY LOCATED WITHIN SAID INTERMEDIATE AND UPPER SECTIONS, ARCUATE FINS EXTENDING RADIALLY OUTWARD FROM SAID HOUSING DEFINING A PLURALITY OF LONGITUDINAL CHANNELS THEREBETWEEN, DRIVE SHAFT MEANS EXTENDING FROM SAID HOUSING HAVING A HUB MEMBER SECURED THERETO, SAID HUB MEMBER DISPOSED BETWEEN THE CONVERGING WALLS OF SAID LOWER SECTION, BLADE MEMBERS HAVING A LATERAL EDGE SECURED TO SAID HUB MEMBER, AND MEANS ON THE FREE LATERAL EDGES OF SAID BLADE EXTENDING NORMAL TO THE FACE THEREOF, SAID MEANS EACH DEFINING A SEGMENT TAPERING FROM THE TIP OF THE BLADE AND MERGING WITH THE FREE LATERAL EDGE AT ITS MIDPOINT, WHEREBY ROTATION OF SAID HUB ALLOWS COOPERATION OF SAID SEGMENT WITH THE CONVERGING WALLS OF SAID LOWER SECTION TO PROVIDE A SELF-CLEANING AND RESTRICTED INTAKE AREA.
Claim 2
Dependent Claim
149 words
A DREDGING APPARATUS COMPRISING A WALL MEMBER HAVING AN INTERMEDIATE CIRCULAR SECTION TERMINATING IN AN UPPER AND A LOWER TRUNCATED CONICALLY SHAPED SECTION, A HOUSING CONCENTRICALLY LOCATED WITHIN SAID INTERMEDIATE AND UPPER SECTIONS, ARCUATE FINS EXTENDING RADIALLY OUTWARD FROM SAID HOUSING DEFINING A PLURALITY OF LONGITUDINAL CHANNELS THEREBETWEEN, DRIVE SHAFT MEANS EXTENDING FROM SAID HOUSING HAVING A HUB MEMBER SECURED THERETO, SAID HUB MEMBER DISPOSED BETWEEN THE CONVERGING WALLS OF SAID LOWER SECTION, BLADE MEMBERS HAVING A LATERAL EDGE SECURED TO SAID HUB MEMBER, AND MEANS ON THE FREE LATERAL EDGES OF SAID BLADE EXTENDING NORMAL TO THE FACE THEREOF, SAID MEANS EACH DEFINING A SEGMENT TAPERING FROM THE TIP OF THE BLADE AND MERGING WITH THE FREE LATERAL EDGE AT ITS MIDPOINT, WHEREBY ROTATION OF SAID HUB ALLOWS COOPERATION OF SAID SEGMENT WITH THE CONVERGING WALLS OF SAID LOWER SECTION TO PROVIDE A SELF-CLEANING AND RESTRICTED INTAKE AREA.
References Cited (Backward Citations)
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |