Patent US3348815A successfully refreshed from Google Patents.
US3348815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay mixer and extruder
Assignee: Individual
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Filing: 1966-12-27
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Granted: 1967-10-24
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Edick Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:54
CPC Classifications
B; B28; B28C; B28C1/00; B28C1/10; B28C1/14; B28C1/22; B28C1/227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A MACHINE FOR HEATING, MIXING AND EXTRUDING CLAY COMPRISING A HOUSING, HAVING A POWER TRAIN CHAMBER AND A CLAY MIXING CHAMBER; A CLAY CHARGING INLET UPON SAID HOUSING ADJACENT ONE END OF THE MIXING CHAMBER; A PAIR OF SPACED POWER DRIVEN SHAFTS JOURNALED THROUGH SAID MIXING CHAMBER; A SERIES OF LONGITUDINALLY SPACED ANGULARLY DISPOSED PADDLES ON EACH SHAFT FOR BREAKING UP AND MIXING THE CLAY AND FOR ADVANCING THE CLAY TO THE OTHER END OF SAID MIXING CHAMBER; AN EXTRUDING TUBE IN SAID HOUSING UNDERLYING AND PARALLEL TO SAID MIXING CHAMBER AND EXTENDING OUTWARDLY OF SAID HOUSING AND INCLUDING AN EXTRUDING OUTLET; A MANUALLY MOVABLE CLAY CUTOFF GATE NORMALLY CLOSING SAID TUBE OUTLET; AN INLET PASSAGE BETWEEN SAID OTHER END OF SAID MIXING CHAMBER AND SAID ONE END OF SAID TUBE; AND A POWER DRIVEN CLAY FEED SCREW ROTATIVELY MOUNTED WITHIN SAID TUBE.
Claim 2
Dependent Claim
143 words
A MACHINE FOR HEATING, MIXING AND EXTRUDING CLAY COMPRISING A HOUSING, HAVING A POWER TRAIN CHAMBER AND A CLAY MIXING CHAMBER; A CLAY CHARGING INLET UPON SAID HOUSING ADJACENT ONE END OF THE MIXING CHAMBER; A PAIR OF SPACED POWER DRIVEN SHAFTS JOURNALED THROUGH SAID MIXING CHAMBER; A SERIES OF LONGITUDINALLY SPACED ANGULARLY DISPOSED PADDLES ON EACH SHAFT FOR BREAKING UP AND MIXING THE CLAY AND FOR ADVANCING THE CLAY TO THE OTHER END OF SAID MIXING CHAMBER; AN EXTRUDING TUBE IN SAID HOUSING UNDERLYING AND PARALLEL TO SAID MIXING CHAMBER AND EXTENDING OUTWARDLY OF SAID HOUSING AND INCLUDING AN EXTRUDING OUTLET; A MANUALLY MOVABLE CLAY CUTOFF GATE NORMALLY CLOSING SAID TUBE OUTLET; AN INLET PASSAGE BETWEEN SAID OTHER END OF SAID MIXING CHAMBER AND SAID ONE END OF SAID TUBE; AND A POWER DRIVEN CLAY FEED SCREW ROTATIVELY MOUNTED WITHIN SAID TUBE.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |