US2415112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame and fireproofing of textile materials
Assignee: Celanese Corp
•
Filing: 1943-01-27
•
Granted: 1947-02-04
•
Expires: 1963-01-27
Abstract
No abstract record available.
Inventors
- 👤 George W Seymour
- 👤 George C Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:50
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M13/244; D06M13/282; D06M13/292
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1315216A
Cited
GB175746A
Cited
US1612104A
Cited
US1792457A
Cited
US2036854A
Cited
US2071345A
Cited
US2097509A
Cited
US2262634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |