US3109209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold-supporting means and process for making same
Assignee: Union Carbide Corp
•
Filing: 1961-02-08
•
Granted: 1963-11-05
•
Expires: 1981-02-08
Abstract
No abstract record available.
Inventors
- 👤 John O Trimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:28
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN COMBINATION IN A CASTING DEVICE FOR SUPPORTING MOLDS WHICH ARE NOT INHERENTLY STRONG ENOUGH TO BE SELFSUPPORTING, AT LEAST ONE MOLD COMPOSED OF A LOW MELTING TEMPERATURE METAL, A HOLLOW COPE HAVING A PERFORATED SURFACE AND AN OPEN FACE OPPOSITE THERETO, SAID MOLD BEING DISPOSED AT SAID OPEN FACE; A PLURALITY OF THERMAL CONDUCTIVE RODS PASSING THROUGH AND RELEASABLY SECURED TO SAID PERFORATED SURFACE OF SAID COPE AND BEING SPACED FROM
Claim 2
Dependent Claim
72 words
IN COMBINATION IN A CASTING DEVICE FOR SUPPORTING MOLDS WHICH ARE NOT INHERENTLY STRONG ENOUGH TO BE SELFSUPPORTING, AT LEAST ONE MOLD COMPOSED OF A LOW MELTING TEMPERATURE METAL, A HOLLOW COPE HAVING A PERFORATED SURFACE AND AN OPEN FACE OPPOSITE THERETO, SAID MOLD BEING DISPOSED AT SAID OPEN FACE; A PLURALITY OF THERMAL CONDUCTIVE RODS PASSING THROUGH AND RELEASABLY SECURED TO SAID PERFORATED SURFACE OF SAID COPE AND BEING SPACED FROM
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |