US1820198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noninflammable fabric and process of making the same
Assignee: Celastic Corp
•
Filing: 1926-09-09
•
Granted: 1931-08-25
•
Expires: 1946-09-09
Abstract
No abstract record available.
Inventors
- 👤 Alan F Randolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:34
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/07; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2033; Y10T442/2631
Claims Analysis
Total Claims: 0
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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) | 1934-08-24 | 1935-02-23 | 1935-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-08-24 | 1939-02-23 | 1939-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-08-24 | 1943-02-23 | 1943-08-25 | $7700.00 | Window Closed / Lapsed |