US3190494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for filling molds with slip
Assignee: Mansfield Sanitary Inc
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Filing: 1963-09-18
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Granted: 1965-06-22
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Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Fred L Derror
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:30
CPC Classifications
B; B28; B28B; B28B13/00; B28B13/02; B28B13/0215; B28B13/0275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN APPARATUS FOR SIMULTANEOUSLY POURING LIQUID SLIP INTO A PLURALITY OF MOLD MEANS FOR SLIP CASTING CERAMIC SHAPES COMPRISING, A PLURALITY OF METERING RESERVOIRS, EACH SAID METERING RESERVOIR HAVING A SIDE WALL, A SPOUT EXTENDING OUTWARDLY AND DOWNWARDLY FROM SAID SIDE WALL AND COMMUNICATING WITH SAID RESERVOIR, SAID SPOUT DISCHARGING SLIP FROM SAID METERING RESERVOIR BY GRAVITY, A VALVE MEANS ON EACH SAID SPOUAT FOR CONTROLLING THE FLOW FROM SAID METERING RESERVOIR, A FEED PIPE FOR SUPPLYING LIQUID SLIP UPWARDLY INTO EACH SAID METERING RESERVOIR, SAID FEED PIPE COMMUNICATING WITH EACH SAID METERING RESERVOIR ON A LEVEL LOWER THAN SAID SPOUT.
Claim 2
Independent Claim
101 words
AN APPARATUS FOR SIMULTANEOUSLY POURING LIQUID SLIP INTO A PLURALITY OF MOLD MEANS FOR SLIP CASTING CERAMIC SHAPES COMPRISING, A PLURALITY OF METERING RESERVOIRS, EACH SAID METERING RESERVOIR HAVING A SIDE WALL, A SPOUT EXTENDING OUTWARDLY AND DOWNWARDLY FROM SAID SIDE WALL AND COMMUNICATING WITH SAID RESERVOIR, SAID SPOUT DISCHARGING SLIP FROM SAID METERING RESERVOIR BY GRAVITY, A VALVE MEANS ON EACH SAID SPOUAT FOR CONTROLLING THE FLOW FROM SAID METERING RESERVOIR, A FEED PIPE FOR SUPPLYING LIQUID SLIP UPWARDLY INTO EACH SAID METERING RESERVOIR, SAID FEED PIPE COMMUNICATING WITH EACH SAID METERING RESERVOIR ON A LEVEL LOWER THAN SAID SPOUT.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |