Patent US3083423A successfully refreshed from Google Patents.
US3083423A
Expired / Lapsed
US
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Automatic supplying, mixing, moisture control and delivery of granular material
Assignee: Hartley Controls Corp
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Filing: 1961-09-18
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Granted: 1963-04-02
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Hartley Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:29
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
THE COMBINATION WITH APPARATUS FOR PREPARING GRANULAR MATERIAL FOR DELIVERY TO A HOPPER AND INCLUDING TREATMENT MEANS FOR CYCLICALLY MEASURING THE MOISTURE REQUIREMENTS OF THE GRANULAR MATERIAL AND MIXING THE GRANULAR MATERIAL WITH AN AMOUNT OF WATER PROPORTIONED TO SUCH REQUIREMENTS, OF CONTROL MEANS FOR INITIATING THE CYCLE OF SAID TREATMENT MEANS IN RESPONSE TO ULTIMATE DEMAND FOR GRANULAR MATERIAL AT SAID HOPPER AND INCLUDING MATERIAL QUANTITY SENSING MEANS IN SAID HOPPER AND MEANS RESPONSIVE THERETO FOR INITIATING SAID CYCLE WHEN THE MATERIAL IN SAID HOPPER DROPS BELOW A PREDETERMINED QUANTITY.
References Cited (Backward Citations)
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Cited
US2674381A
Cited
US2638248A
Cited
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Cited
US2537005A
Cited
US2709843A
Cited
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 |