US3188703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for low pressure permanent mold casting
Assignee: ZF Active Safety US Inc
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Filing: 1962-08-08
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Granted: 1965-06-15
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Jeune Frank H Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:18
CPC Classifications
B; B22; B22D; B22D18/00; B22D18/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
CASTING APPARATUS INCLUDING A ROTARY TABLE, A PLURALITY OF FURNACES CARRIED BY SAID TABLE IN ANGULARLY SPACED RELATION, A CRUCIBLE IN EACH OF SAID FURNACES, A PLURALITY OF MOLDS CARRIED BY SAID TABLE IN PAIRED RELATION TO SAID FURNACES, MEANS CONNECTING EACH OF SAID MOLDS TO THE CRUCIBLE IN THE FURNACE TO WHICH IT IS PAIRED, A STATIONARY HOLDING FURNACE, MEANS FOR SUCCESSIVELY FILLING THE FURNACES ON SAID TABLE WITH MOLTEN METAL FROM SAID HOLDING FURNACE AS SAID TABLE IS INDEXED, AND MEANS FOR PRESSURIZING SAID FURNACES.
Claim 2
Dependent Claim
87 words
CASTING APPARATUS INCLUDING A ROTARY TABLE, A PLURALITY OF FURNACES CARRIED BY SAID TABLE IN ANGULARLY SPACED RELATION, A CRUCIBLE IN EACH OF SAID FURNACES, A PLURALITY OF MOLDS CARRIED BY SAID TABLE IN PAIRED RELATION TO SAID FURNACES, MEANS CONNECTING EACH OF SAID MOLDS TO THE CRUCIBLE IN THE FURNACE TO WHICH IT IS PAIRED, A STATIONARY HOLDING FURNACE, MEANS FOR SUCCESSIVELY FILLING THE FURNACES ON SAID TABLE WITH MOLTEN METAL FROM SAID HOLDING FURNACE AS SAID TABLE IS INDEXED, AND MEANS FOR PRESSURIZING SAID FURNACES.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |