Patent US3278282A successfully refreshed from Google Patents.
US3278282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass spinning crucible
Assignee: Individual
•
Filing: 1963-10-23
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Granted: 1966-10-11
•
Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Jaray Francis Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:35
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/08; C03B37/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A GLASS-SPINING CRUCIBLE COMPRISING A BODY PORTION OPEN AT BOTH TOP AND BOTTOM, AND A PERFORATED BOTTOM PLATE UPON WHICH THE OPEN BOTTOM OF THE BODY PORTION RESTS, SEALING OF THE BODY PORTION AND BOTTOM PLATE BEING EFFECTED BY CONTACT THEREBETWEEN AND SOLIDIFICATION OF GLASS ESCAPING THROUGH THE JOINT THEREBETWEEN.
Claim 2
Dependent Claim
50 words
A GLASS-SPINING CRUCIBLE COMPRISING A BODY PORTION OPEN AT BOTH TOP AND BOTTOM, AND A PERFORATED BOTTOM PLATE UPON WHICH THE OPEN BOTTOM OF THE BODY PORTION RESTS, SEALING OF THE BODY PORTION AND BOTTOM PLATE BEING EFFECTED BY CONTACT THEREBETWEEN AND SOLIDIFICATION OF GLASS ESCAPING THROUGH THE JOINT THEREBETWEEN.
References Cited (Backward Citations)
US3125329A
Cited
US1034824A
Cited
US2042560A
Cited
US2077705A
Cited
US2323000A
Cited
US2777254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |