US3322186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure pouring apparatus
Assignee: Amsted Industries Inc
•
Filing: 1966-07-13
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Granted: 1967-05-30
•
Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jr John Takacs
- 👤 Alan G Stebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:30
CPC Classifications
B; B22; B22D; B22D18/00; B22D18/04; B22D35/00; B22D35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
PRESSURE CASTING APPARATUS COMPRISING A SEALED TANK, MEANS FOR DEVELOPING GAS PRESSURE IN SAID TANK, A LADLE IN SAID TANK, A VERTICAL POURING TUBE EXTENDING THROUGH A TOP WALL ELEMENT OF THE TANK AND HAVING ITS LOWER END ADJACENT THE BOTTOM OF THE LADLE AND ITS UPPER END EXTERIOR TO THE TANK, SAID TUBE BEING VERTICALLY SLIDABLE IN SAID TANK, MEANS INTERPOSED BETWEEN SAID POURING TUBE AND TANK OPERATIVE FOR RAISING AND LOWERING THE POURING TUBE, AND MEANS FOR SEALING SAID TANK AGAINST ESCAPE OF
Claim 2
Dependent Claim
85 words
PRESSURE CASTING APPARATUS COMPRISING A SEALED TANK, MEANS FOR DEVELOPING GAS PRESSURE IN SAID TANK, A LADLE IN SAID TANK, A VERTICAL POURING TUBE EXTENDING THROUGH A TOP WALL ELEMENT OF THE TANK AND HAVING ITS LOWER END ADJACENT THE BOTTOM OF THE LADLE AND ITS UPPER END EXTERIOR TO THE TANK, SAID TUBE BEING VERTICALLY SLIDABLE IN SAID TANK, MEANS INTERPOSED BETWEEN SAID POURING TUBE AND TANK OPERATIVE FOR RAISING AND LOWERING THE POURING TUBE, AND MEANS FOR SEALING SAID TANK AGAINST ESCAPE OF
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |