US3339965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crucible sling
Assignee: Vibrantz Corp
•
Filing: 1965-07-27
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Granted: 1967-09-05
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Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Milton H Berns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:11
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; B66C1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A READILY HANDLED CRUCIBLE ASSEMBLY, COMPRISING: (A) A FRANGIBLE CRUCIBLE HAVING A SUBSTANTIAL PERCENTAGE OF CARBON WHICH HAS AN OPEN TOP DEFINED BY A SUBSTANTIALLY CIRCULAR PERIPHERAL EDGE, (B) A PLURALITY OF SPACED LONGITUDINALLY EXTENDING STRAPS TIGHTLY ENGAGING THE OUTSIDE OF SAID CRUCIBLE AND WHICH HAVE FREE END SECTIONS PASSING OVER SAID PERIPHERAL EDGE AND ACROSS THE OPEN TOP OF SAID CRUCIBLE SUBSTANTIALLY IN A FLAT PLANE TO ENGAGE AND SUPPORT AT THEIR ENDS A CENTRALLY DISPOSED ADJUSTABLE FASTENING MEANS, (C) SAID STRAPS BEING MADE OF COMBUSTIBLE MATERIAL, (D) SAID FASTENING MEANS BEING MADE OF METAL AND PERMITTING TAKE-UP ON THE STRAPS BY PULLING ON THE ENDS OF SAID STRAPS, WHEREBY TENSION ADJUSTMENT AND TAKE-UP FOR CRUCIBLE SIZE MAY BE MADE BY SIMPLY PULLING ON THE FREE END OF EACH OF SAID STRAPS, AND (E) SAID FASTENING MEANS AND SAID STRAPS ARE SUFFICIENTLY TAUT AND STRONG TO PERMIT GRASPING OF SAID FASTENING MEANS BY A HOIST ASSEMBLY SO THAT THE ENTIRE CRUCIBLE ASSEMBLY MAY BE LIFTED, TRANSPORTED AND ACCURATELY INSERTED IN A MELTING FURNACE.
Claim 2
Dependent Claim
174 words
A READILY HANDLED CRUCIBLE ASSEMBLY, COMPRISING: (A) A FRANGIBLE CRUCIBLE HAVING A SUBSTANTIAL PERCENTAGE OF CARBON WHICH HAS AN OPEN TOP DEFINED BY A SUBSTANTIALLY CIRCULAR PERIPHERAL EDGE, (B) A PLURALITY OF SPACED LONGITUDINALLY EXTENDING STRAPS TIGHTLY ENGAGING THE OUTSIDE OF SAID CRUCIBLE AND WHICH HAVE FREE END SECTIONS PASSING OVER SAID PERIPHERAL EDGE AND ACROSS THE OPEN TOP OF SAID CRUCIBLE SUBSTANTIALLY IN A FLAT PLANE TO ENGAGE AND SUPPORT AT THEIR ENDS A CENTRALLY DISPOSED ADJUSTABLE FASTENING MEANS, (C) SAID STRAPS BEING MADE OF COMBUSTIBLE MATERIAL, (D) SAID FASTENING MEANS BEING MADE OF METAL AND PERMITTING TAKE-UP ON THE STRAPS BY PULLING ON THE ENDS OF SAID STRAPS, WHEREBY TENSION ADJUSTMENT AND TAKE-UP FOR CRUCIBLE SIZE MAY BE MADE BY SIMPLY PULLING ON THE FREE END OF EACH OF SAID STRAPS, AND (E) SAID FASTENING MEANS AND SAID STRAPS ARE SUFFICIENTLY TAUT AND STRONG TO PERMIT GRASPING OF SAID FASTENING MEANS BY A HOIST ASSEMBLY SO THAT THE ENTIRE CRUCIBLE ASSEMBLY MAY BE LIFTED, TRANSPORTED AND ACCURATELY INSERTED IN A MELTING FURNACE.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |