US3083687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bird feeder
Assignee: Individual
•
Filing: 1961-09-13
•
Granted: 1963-04-02
•
Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 John J Slaven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:42
CPC Classifications
A; A01; A01K; A01K39/00; A01K39/01; A01K39/012; A01K39/0113
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A GRAVITY-OPERATED BIRD FEEDER COMPRISING A VESSEL FOR STORING GRAIN AND THE LIKE, SAID VESSEL HAVING MEANS FOR SUSPENDING IT FROM AN OVERHEAD SUPPORT AND A CENTRAL DISCHARGE OPENING OF SUBSTANTIAL SIZE IN ITS BASE, A SUBSTANTIALLY PLANAR OCCLUDING ELEMENT TILTABLY SUSPENDED BELOW SAID OPENING IN THE BASE, TO RECEIVE AND INTERRUPT THE FLOW OF GRAIN THROUGH SAID OPENING, A FEED TRAY TILTABLE IN ANY DIRECTION AND CARRIED FROM A MID-POINT AT A PREDETERMINED DISTANCE BELOW THE STORAGE VESSEL, AND MEANS INTERCONNECTING SAID FEED TRAY AND SAID OCCLUDING ELEMENT TO CAUSE THE LATTER TO TILT, AND THUS PERMIT LIMITED
Claim 2
Dependent Claim
99 words
A GRAVITY-OPERATED BIRD FEEDER COMPRISING A VESSEL FOR STORING GRAIN AND THE LIKE, SAID VESSEL HAVING MEANS FOR SUSPENDING IT FROM AN OVERHEAD SUPPORT AND A CENTRAL DISCHARGE OPENING OF SUBSTANTIAL SIZE IN ITS BASE, A SUBSTANTIALLY PLANAR OCCLUDING ELEMENT TILTABLY SUSPENDED BELOW SAID OPENING IN THE BASE, TO RECEIVE AND INTERRUPT THE FLOW OF GRAIN THROUGH SAID OPENING, A FEED TRAY TILTABLE IN ANY DIRECTION AND CARRIED FROM A MID-POINT AT A PREDETERMINED DISTANCE BELOW THE STORAGE VESSEL, AND MEANS INTERCONNECTING SAID FEED TRAY AND SAID OCCLUDING ELEMENT TO CAUSE THE LATTER TO TILT, AND THUS PERMIT LIMITED
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |