US2629559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn packaging device
Assignee: Celanese Corp
•
Filing: 1948-12-28
•
Granted: 1953-02-24
•
Expires: 1968-12-28
Abstract
No abstract record available.
Inventors
- 👤 Hector L Ayala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US905049A
Cited
US1614879A
Cited
US1968406A
Cited
US2034404A
Cited
US2095214A
Cited
US2292725A
Cited
US2358294A
Cited
US2432564A
Cited
US2492412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |