US1837150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireproof fabric and method of making the same
Assignee: Celanese Corp
•
Filing: 1927-08-29
•
Granted: 1931-12-15
•
Expires: 1947-08-29
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Camille
- 👤 Platt Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:18
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/68; D06M11/70; D06M11/32; D06M11/36; D06M11/47; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-12-14 | 1935-06-15 | 1935-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-14 | 1939-06-15 | 1939-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-14 | 1943-06-15 | 1943-12-15 | $7700.00 | Window Closed / Lapsed |