US3217864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular vibrating conveyors
Assignee: Individual
•
Filing: 1963-04-17
•
Granted: 1965-11-16
•
Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Allen
- 👤 Chester H Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:23
CPC Classifications
B; B65; B65G; B65G27/00; B65G2812/00; B65G2812/03; B65G2812/0384; B65G2812/0388; B65G2812/0392
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A VIBRATING CONVEYOR, A PLURALITY OF SPIRAL TROUGHS, MEANS MOUNTING THE TROUGHS CENTERED ON A VERTICAL AXIS WITH THE TROUGHS POSITIONED IN SERIES RELATIONSHIP RELATIVE TO EACH OTHER, MEANS ARTICULATELY CONNECTING THE ADJACENT ENDS OF THE TROUGHS TO EACH OTHER, MEANS FOR SUPPORTING THE TROUGHS, MEANS FOR PREVENTING ROTATION OF THE TROUGHS, MEANS FOR IMPARTING CIRCULAR TRANSLATORY MOTION TO THE TROUGHS AT A PREDETERMINED FREQUENCY, AND MEANS FOR IMPARTING WOBBLING MOVEMENT TO THE TROUGHS TO FEED MATERIAL UP THE TROUGHS.
Claim 2
Dependent Claim
81 words
IN A VIBRATING CONVEYOR, A PLURALITY OF SPIRAL TROUGHS, MEANS MOUNTING THE TROUGHS CENTERED ON A VERTICAL AXIS WITH THE TROUGHS POSITIONED IN SERIES RELATIONSHIP RELATIVE TO EACH OTHER, MEANS ARTICULATELY CONNECTING THE ADJACENT ENDS OF THE TROUGHS TO EACH OTHER, MEANS FOR SUPPORTING THE TROUGHS, MEANS FOR PREVENTING ROTATION OF THE TROUGHS, MEANS FOR IMPARTING CIRCULAR TRANSLATORY MOTION TO THE TROUGHS AT A PREDETERMINED FREQUENCY, AND MEANS FOR IMPARTING WOBBLING MOVEMENT TO THE TROUGHS TO FEED MATERIAL UP THE TROUGHS.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |