US2583672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton
Assignee: Celanese Corp
•
Filing: 1949-04-07
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Granted: 1952-01-29
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Expires: 1969-04-07
Abstract
No abstract record available.
Inventors
- 👤 Alvin B Storey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:09
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/02; B65D5/00; B65D5/001; B65D5/42; B65D5/44; B65D5/50; B65D5/5002; B65D5/5011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |