Patent US3262640A successfully refreshed from Google Patents.
Patent US2444089A successfully refreshed from Google Patents.
US2444089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated fabric
Assignee: Celanese Corp
•
Filing: 1943-03-31
•
Granted: 1948-06-29
•
Expires: 1963-03-31
Abstract
No abstract record available.
Inventors
- 👤 Bell Angus Smith
- 👤 Greenwood Ernest Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:42
CPC Classifications
D; D06; D06M; D06M17/00; Y; Y10; Y10T; Y10T442/00; Y10T442/40; Y10T442/45
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2126822A
Cited
US2126755A
Cited
US2126754A
Cited
US2126821A
Cited
US2126758A
Cited
US2126824A
Cited
US2126759A
Cited
US2281646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |