US2755506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Band spinning
Assignee: Celanese Corp
•
Filing: 1952-08-20
•
Granted: 1956-07-24
•
Expires: 1972-08-20
Abstract
No abstract record available.
Inventors
- 👤 Weber Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:59
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A BAND SPINNING APPARATUS COMPRISING A MELTING TUBE HAVING A PASSAGEWAY FOR THE RECEPTION AND MELTING OF A CONTINUOUS BAND OF FILAMENT-FORMING MATERIAL, SAID PASSAGEWAY HAVING WIDE OPPOSING WALLS AND NARROW OPPOSING END WALLS, MEANS FOR SUPPLYING HEAT TO SAID WIDE WALLS, MEANS FOR ABSTRACTING HEAT FROM SAID END WALLS, A SPINNING JET AT ONE END OF SAID MELTING TUBE AND MEANS, AT THE OTHER END OF SAID MELTING TUBE, FOR CONTINUOUSLY FORCING SAID BAND AND RESULTING MOLTEN MATERIAL THROUGH SAID MELTING TUBE AND SPINNING JET.
References Cited (Backward Citations)
US1887504A
Cited
US1910549A
Cited
US2034300A
Cited
US2409431A
Cited
US2594876A
Cited
US2605502A
Cited
US2650801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |