US3306589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete mixing machine
Assignee: Individual
•
Filing: 1965-06-16
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Granted: 1967-02-28
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Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Rupert H Uden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:00
CPC Classifications
B; B28; B28C; B28C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A CONTINUOUS CONCRETE MIXING AND HANDLING MACHINE COMPRISING IN COMBINATION: CONTAINER MEANS OPEN AT THE TOP TO RECEIVE AGGREGATE AND HAVING A SMALLER OPENING OF PREDETERMINED SIZE TO REGULATE THE DISCHARGE THEREFROM; CONVEYOR MEANS OPERABLE TO SUPPLY AGGREGATE TO SAID CONTAINER MEANS; POWER MEANS OPERABLE TO DRIVE SAID CONVEYOR MEANS; HOPPER MEANS OPEN AT THE TOP TO RECEIVE CEMENT AND HAVING AN OPENING FORMED IN THE BOTTOM THEREOF TO REGULATE THE FLOW OF CEMENT FROM SAID HOPPER MEANS; TUBE MEANS IN COMMUNICATION WITH SAID BOTTOM OPENING OF SAID HOPPER MEANS AND POSITIONED AT THE OTHER END ADJACENT TO SAID CONTAINER MEANS; AUGER MEANS MOUNTED WITHIN SAID TUBE MEANS FOR TRANSPORTING THERETHROUGH THE CONTENTS OF SAID HOPPER MEANS;
Claim 2
Dependent Claim
117 words
A CONTINUOUS CONCRETE MIXING AND HANDLING MACHINE COMPRISING IN COMBINATION: CONTAINER MEANS OPEN AT THE TOP TO RECEIVE AGGREGATE AND HAVING A SMALLER OPENING OF PREDETERMINED SIZE TO REGULATE THE DISCHARGE THEREFROM; CONVEYOR MEANS OPERABLE TO SUPPLY AGGREGATE TO SAID CONTAINER MEANS; POWER MEANS OPERABLE TO DRIVE SAID CONVEYOR MEANS; HOPPER MEANS OPEN AT THE TOP TO RECEIVE CEMENT AND HAVING AN OPENING FORMED IN THE BOTTOM THEREOF TO REGULATE THE FLOW OF CEMENT FROM SAID HOPPER MEANS; TUBE MEANS IN COMMUNICATION WITH SAID BOTTOM OPENING OF SAID HOPPER MEANS AND POSITIONED AT THE OTHER END ADJACENT TO SAID CONTAINER MEANS; AUGER MEANS MOUNTED WITHIN SAID TUBE MEANS FOR TRANSPORTING THERETHROUGH THE CONTENTS OF SAID HOPPER MEANS;
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |