US2698488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying of yarn packages
Assignee: Celanese Corp
•
Filing: 1950-01-10
•
Granted: 1955-01-04
•
Expires: 1970-01-10
Abstract
No abstract record available.
Inventors
- 👤 Paul H Cannon
- 👤 Jr William L Love
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:58
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0418; D01D10/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1550422A
Cited
US2231457A
Cited
US2263681A
Cited
US2408434A
Cited
US2428615A
Cited
US2485609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |