Patent US3173400A successfully refreshed from Google Patents.
US3173400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dumping stock feeder
Assignee: Unisys Corp
•
Filing: 1963-08-29
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Granted: 1965-03-16
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Daniel C Heitshu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:18
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0258
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A FILL AND DUMP DEVICE FOR FEEDING HOGS AND OTHER STOCK ANIMALS COMPRISING AN ELONGATED HORIZONTALLY EXTENDING CONTAINER, MEANS SUPPORTING SAID CONTAINER, CONVEYOR MEANS FOR DISTRIBUTING FEED DEPOSITED IN ONE END OF SAID CONTAINR ALONG THE LENGTH OF THE CONTAINER, SAID CONTAINER HAVING A LONGITUDINAL OPENING FOR THE DAMPING OF FEED, MEANS CONTROLLING THE DAMPING OF FEED THROUGH SAID OPENING, A FEED SUPPLY HOPPER, A VALVE BOX HAVING AN INLET COMMUNICATING WITH SAID HOPPER AND AN OUTLET TO SAID CONTAINER, METERING MEANS FOR WITHDRAWING FEED FROM SAID HOPPER AND DISCHARGING THE FEED INTO SAID BOX, THE DISCHARGED FEED BEING ADAPTED TO PASS THROUGH THE BOX AND INTO SAID CONTAINER, AND VALVE MEANS FOR OPENING AND CLOSING SAID BOX OUTLET WHEREBY THE OUTLET MAY BE LEFT OPENED TO ALLOW PASSAGE OF FEED THROUGH THE BOX WHILE
Claim 2
Dependent Claim
135 words
A FILL AND DUMP DEVICE FOR FEEDING HOGS AND OTHER STOCK ANIMALS COMPRISING AN ELONGATED HORIZONTALLY EXTENDING CONTAINER, MEANS SUPPORTING SAID CONTAINER, CONVEYOR MEANS FOR DISTRIBUTING FEED DEPOSITED IN ONE END OF SAID CONTAINR ALONG THE LENGTH OF THE CONTAINER, SAID CONTAINER HAVING A LONGITUDINAL OPENING FOR THE DAMPING OF FEED, MEANS CONTROLLING THE DAMPING OF FEED THROUGH SAID OPENING, A FEED SUPPLY HOPPER, A VALVE BOX HAVING AN INLET COMMUNICATING WITH SAID HOPPER AND AN OUTLET TO SAID CONTAINER, METERING MEANS FOR WITHDRAWING FEED FROM SAID HOPPER AND DISCHARGING THE FEED INTO SAID BOX, THE DISCHARGED FEED BEING ADAPTED TO PASS THROUGH THE BOX AND INTO SAID CONTAINER, AND VALVE MEANS FOR OPENING AND CLOSING SAID BOX OUTLET WHEREBY THE OUTLET MAY BE LEFT OPENED TO ALLOW PASSAGE OF FEED THROUGH THE BOX WHILE
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |