Patent US3292818A successfully refreshed from Google Patents.
US3292818A
Expired / Lapsed
US
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Material feeding system
Assignee: Individual
•
Filing: 1965-10-18
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Granted: 1966-12-20
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Jaworski Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:26
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
A DRIBBLE FEED SYSTEM COMPRISING: A HOPPER CONTAINING PARTS TO BE FED AND HAVING AN OUTLET AT ITS LOWERMOST PORTION; AN INCLINED TUBE POSITIONED DIRECTLY BENEATH THE OUTLET OF SAID HOPPER; MEANS FOR CAUSING SAID INCLINED TUBE TO OSCILLATE ABOUT ITS LONGITUDINAL AXIS; SAID INCLINED TUBE HAVING A PLURALITY OF INWARDLY PROJECTING RIDGES ALONG ITS INNER LENGTH, SAID RIDGES BEING NON-PARALLEL TO THE AXIS OF SAID TUBE; SAID INCLINED TUBE FURTHER HAVING A PORT THEREIN EXTENDING PARTIALLY AROUND THE CIRCUMFERENCE OF THE TUBE, SAID PORT BEING POSITIONED DIRECTLY BENEATH THE OUTLET VALVE TO OPEN AND CLOSE THE FLOW PATH THEREBETWEEN SAID INCLINED TUBE IS OSCILLATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |