US3356232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barge unloader
Assignee: Dravo Corp
•
Filing: 1966-02-11
•
Granted: 1967-12-05
•
Expires: 1986-02-11
Abstract
No abstract record available.
Inventors
- 👤 William L Price
- 👤 Howard E Dykeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:05
CPC Classifications
B; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0397
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A BARGE UNLOADER COMPRISING: A TOWER STRUCTURE SUPPORTED FOR MOVEMENT OF A BARGE ALONGSIDE OF IT, A FRAME MOUNTED ON THE TOWER FOR VERTICAL MOVEMENT, THE FRAME HAVING A HORIZONTAL STRUCTURE EXTENDING OUTWARDLY THEREFROM TO REACH ACROSS A BARGE POSITIONED ALONGSIDE THE TOWER, MEANS FOR EFFECTING VERTICAL MOVEMENT OF THE FRAME, A PAIR OF CARRIAGES ON THE FRAME MOVABLE TOWARD AND AWAY FROM EACH OTHER, MEANS FOR EFFECTING MOVEMENT OF THE CARRIAGES IN OPPOSITE DIRECTIONS ALONG THE SAID HORIZONTAL STRUCTURE,
Claim 2
Dependent Claim
80 words
A BARGE UNLOADER COMPRISING: A TOWER STRUCTURE SUPPORTED FOR MOVEMENT OF A BARGE ALONGSIDE OF IT, A FRAME MOUNTED ON THE TOWER FOR VERTICAL MOVEMENT, THE FRAME HAVING A HORIZONTAL STRUCTURE EXTENDING OUTWARDLY THEREFROM TO REACH ACROSS A BARGE POSITIONED ALONGSIDE THE TOWER, MEANS FOR EFFECTING VERTICAL MOVEMENT OF THE FRAME, A PAIR OF CARRIAGES ON THE FRAME MOVABLE TOWARD AND AWAY FROM EACH OTHER, MEANS FOR EFFECTING MOVEMENT OF THE CARRIAGES IN OPPOSITE DIRECTIONS ALONG THE SAID HORIZONTAL STRUCTURE,
References Cited (Backward Citations)
US2322504A
Cited
US978908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |