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Patent US3466018A successfully refreshed from Google Patents.
US3466018A
Expired / Lapsed
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Mobile cement unit
Assignee: DONALD G NOURSE
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Filing: 1964-02-18
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Granted: 1969-09-09
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Expires: 1984-02-18
Abstract
No abstract record available.
Inventors
- 👤 Donald G Nourse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:39
CPC Classifications
B; B28; B28C; B28C9/00; B28C9/04; B28C9/0472
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
185 words
IN A BATCH CEMENT PLANT: A WEIGHING BOX; MEANS FOR CONCONVEYING CEMENT TO SAID WEIGHING BOX; MEANS FOR CONVEYING SAND TO SAID WEIGHING BOX; A MIXER; MEANS FOR DISCHARGING THE CONTENTS OF THE WEIGHING BOX TO THE MIXER; MEANS FOR DISCHARGING THE CONTENTS OF THE MIXER; AN ACTUATOR FOR CAUSING OPERATION OF THE CEMENT CONVEYING MEANS; AN ACTUATOR FOR CAUSING OPERATION OF THE SAND CONVEYING MEANS; AN ACTUATOR FOR CAUSING OPERATION OF OF WEIGHING BOX DISCHARGING MEANS; AN ACTUATOR FOR CAUSING OPERATION OF THE MIXER DISCHARGING MEANS; MEANS SENSING THE WEIGHT OF THE CONTENTS OF THE BOX; MEANS FOR OPERATING THE CEMENT ACTUATOR AND THE SAND ACTUATOR IN SEQUENCE AND UNDER AUTOMATIC CONTROL OF SAID WEIGHT SENSING MEANS; MEANS RESPONSIVE TO THE WEIGHT SENSING MEANS DETECTING A ZERO WEIGHT FOR INITIATING OPERATION OF SAID SAND AND CEMENT ACTUATOR OPERATING MEANS; MEANS FOR OPERATING SAID BOX ACTUATOR AFTER DISCHARGE OF CONTROLLED QUANTITIES OF SAND AND CEMENT; MEANS OPERATING SAID MIXER DISCHARGE ACTUATOR AT A PREDETERMINED TIME INTERVAL AFTER OPERATION OF SAID BOX ACTUATOR; AND MEANS PREVENTING OPERATION OF SAID BOX ACTUATOR DURING SAID PREDETERMINED 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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |