US3361258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain screen and spreader
Assignee: HENRY A KALKE
•
Filing: 1966-06-28
•
Granted: 1968-01-02
•
Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Henry A Kalke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:33
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/04; B65G69/0458; B65G2814/00; B65G2814/02; B65G2814/0241; B65G2814/0282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
THE COMBINATION OF A GRAIN STORAGE BIN HAVING A SLOPING ROOF PROVIDED WITH AN OPENING, A GRAIN SCREENING UNIT MOUNTED ON SAID ROOF IN SPACED RELATION FROM SAID OPENING, SAID SCREENING UNIT BEING ADAPTED TO RECEIVE GRAIN FROM A CONVEYOR AND INCLUDING A DISCHARGE SPOUT FOR SCREENED GRAIN, AND A GRAIN SPREADER UNIT ALSO MOUNTED ON SAID ROOF, SAID SPREADER UNIT INCLUDING A HOPPER HAVING SAID SPOUT OF THE SCREENING UNIT DISCHARGING THEREINTO, A MOTOR-DRIVEN VERTICAL SHAFT PROJECTING DOWNWARDLY THROUGH SAID ROOF OPENING INTO SAID STORAGE BIN, A DISTRIBUTING DISK SECURED TO THE LOWER END OF SAID SHAFT BELOW SAID ROOF, AND A SIDE OUTLET PROVIDED ON SAID HOPPER FOR DISCHARGING GRAIN THEREFROM THROUGH SAID ROOF OPENING ONTO SAID DISTRIBUTING DISK.
Claim 2
Dependent Claim
121 words
THE COMBINATION OF A GRAIN STORAGE BIN HAVING A SLOPING ROOF PROVIDED WITH AN OPENING, A GRAIN SCREENING UNIT MOUNTED ON SAID ROOF IN SPACED RELATION FROM SAID OPENING, SAID SCREENING UNIT BEING ADAPTED TO RECEIVE GRAIN FROM A CONVEYOR AND INCLUDING A DISCHARGE SPOUT FOR SCREENED GRAIN, AND A GRAIN SPREADER UNIT ALSO MOUNTED ON SAID ROOF, SAID SPREADER UNIT INCLUDING A HOPPER HAVING SAID SPOUT OF THE SCREENING UNIT DISCHARGING THEREINTO, A MOTOR-DRIVEN VERTICAL SHAFT PROJECTING DOWNWARDLY THROUGH SAID ROOF OPENING INTO SAID STORAGE BIN, A DISTRIBUTING DISK SECURED TO THE LOWER END OF SAID SHAFT BELOW SAID ROOF, AND A SIDE OUTLET PROVIDED ON SAID HOPPER FOR DISCHARGING GRAIN THEREFROM THROUGH SAID ROOF OPENING ONTO SAID DISTRIBUTING DISK.
References Cited (Backward Citations)
US197617A
Cited
US770353A
Cited
US871862A
Cited
US2525023A
Cited
US3039607A
Cited
US3064833A
Cited
US3249220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |