Patent US4067033A successfully refreshed from Google Patents.
Patent US3587530A successfully refreshed from Google Patents.
US3587530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal feeder
Assignee: Individual
•
Filing: 1969-04-08
•
Granted: 1971-06-28
•
Expires: 1989-04-08
Abstract
Abstract AN ANIMAL FEEDER COMPRISING A CYLINDRICAL HOPPER, A DOWNWARDLY INCLINED SPOUT HAVING VERTICAL SIDEWALLS ON THE FRONT OF THE HOPPER AND HAVING FLAT GENERALLY PARALLEL TOP AND BOTTOM SURFACES, AN INCLINED SURFACE IN THE HOPPER SUBSTANTIALLY IN LINE WITH THE BOTTOM OF THE SPOUT, A DOOR IN THE SPOUT AND HINGEDLY MOUNTED IN THE UPPER REAR PORTION THEREOF, AND A SOLENOID ON THE SPOUT OPERATING THE DOOR.
Inventors
- 👤 Weston L Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:52
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0291
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |