US3145831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating conveyor system
Assignee: Dravo Corp
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Filing: 1962-01-24
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Granted: 1964-08-25
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Expires: 1982-01-24
Abstract
No abstract record available.
Inventors
- 👤 Roder Josef
- 👤 Stoff Fritz
- 👤 Teschullik Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:34
CPC Classifications
B; B65; B65G; B65G27/00; B65G27/10; B65G27/16; B65G27/18; B65G27/20; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/18552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A CONVEYING SYSTEM FOR SELECTIVE TWO-DIRECTIONAL TRANSPORTATION OF MATERIAL COMPRISING A CONVEYOR TROUGH, A PAIR OF PARALLEL SHAFTS ATTACHED TO THE TROUGH, ECCENTRIC WEIGHT SEGMENTS FIXED TO EACH SHAFT FOR ROTATION THEREWITH, CONNECTING MEANS ATTACHED TO EACH SHAFT AND IN ENGAGEMENT WITH ONE ANOTHER FOR SYNCHRONOUS CONTRAROTATION OF THE SHAFTS, DRIVE MEANS, AND COUPLING MEANS CONNECTED BETWEEN ONE OF THE SHAFTS AND THE DRIVE MEANS FOR ROTATING THE ONE SHAFT AND ITS WEIGHT SEGMENTS WITH
Claim 2
Dependent Claim
75 words
A CONVEYING SYSTEM FOR SELECTIVE TWO-DIRECTIONAL TRANSPORTATION OF MATERIAL COMPRISING A CONVEYOR TROUGH, A PAIR OF PARALLEL SHAFTS ATTACHED TO THE TROUGH, ECCENTRIC WEIGHT SEGMENTS FIXED TO EACH SHAFT FOR ROTATION THEREWITH, CONNECTING MEANS ATTACHED TO EACH SHAFT AND IN ENGAGEMENT WITH ONE ANOTHER FOR SYNCHRONOUS CONTRAROTATION OF THE SHAFTS, DRIVE MEANS, AND COUPLING MEANS CONNECTED BETWEEN ONE OF THE SHAFTS AND THE DRIVE MEANS FOR ROTATING THE ONE SHAFT AND ITS WEIGHT SEGMENTS WITH
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |