Patent US3137272A successfully refreshed from Google Patents.
US3137272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal feeder
Assignee: Individual
•
Filing: 1962-12-06
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Granted: 1964-06-16
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Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 William S Lepper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:32
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN ANIMAL FEEDER COMPRISING A HOUSING HAVING A CHAMBER THEREIN FOR ONE FORM OF FOOD INGREDIENT, SAID CHAMBER HAVING AN OPEN TOP, A COVER ATTACHED TO SAID HOUSING HAVING A CHAMBER THEREIN FOR ANOTHER FORM OF FOOD INGREDIENT, SAID COVER HAVING A CLOSED POSITION COVERING THE CHAMBER AND AN OPEN POSITION REMOVED FROM SAID CHAMBER, SAID COVER BEING BIASED IN A DIRECTION TENDING TO MOVE THE COVER TO OPEN POSITION, A PASSAGE FROM ONE OF SAID CHAMBERS TO THE OTHER OPERATIVE TO PASS OF FOOD INGREDIENT THEREBETWEEN ONLY WHEN SAID COVER IS IN OPEN POSITION, A RETENTION DEVICE HAVING ONE ELEMENT ON THE HOUSING AND ANOTHER COMPLEMENTARY ELEMENT THEREOF ON SAID COVER, ONE OF SAID ELEMENTS COMPRISING A TIMER DEVICE OPERATIVELY ASSOCIATED WITH THE OTHER ELEMENT AND ADAPTED TO RELEASE SAID RETENTION DEVICE AT A PRESENT TIME INTERVAL.
Claim 2
Dependent Claim
138 words
AN ANIMAL FEEDER COMPRISING A HOUSING HAVING A CHAMBER THEREIN FOR ONE FORM OF FOOD INGREDIENT, SAID CHAMBER HAVING AN OPEN TOP, A COVER ATTACHED TO SAID HOUSING HAVING A CHAMBER THEREIN FOR ANOTHER FORM OF FOOD INGREDIENT, SAID COVER HAVING A CLOSED POSITION COVERING THE CHAMBER AND AN OPEN POSITION REMOVED FROM SAID CHAMBER, SAID COVER BEING BIASED IN A DIRECTION TENDING TO MOVE THE COVER TO OPEN POSITION, A PASSAGE FROM ONE OF SAID CHAMBERS TO THE OTHER OPERATIVE TO PASS OF FOOD INGREDIENT THEREBETWEEN ONLY WHEN SAID COVER IS IN OPEN POSITION, A RETENTION DEVICE HAVING ONE ELEMENT ON THE HOUSING AND ANOTHER COMPLEMENTARY ELEMENT THEREOF ON SAID COVER, ONE OF SAID ELEMENTS COMPRISING A TIMER DEVICE OPERATIVELY ASSOCIATED WITH THE OTHER ELEMENT AND ADAPTED TO RELEASE SAID RETENTION DEVICE AT A PRESENT TIME INTERVAL.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |