US2771379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized-flameproofed fabric and method
Assignee: Chicopee Manufacturing Corp
•
Filing: 1952-12-30
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Granted: 1956-11-20
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Expires: 1972-12-30
Abstract
No abstract record available.
Inventors
- 👤 Dario Mario M Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:52
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2721
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A FABRIC CONTAINING AMMONIUM SULFAMATE AS FLAME RETARDER AND MIXED THEREWITH DICYANDIAMIDE IN AN AMOUNT IN THE RANGE OF 5 TO 50 PARTS BY WEIGHT PER 100 PARTS OF FAMMONIUM SULFAMATE SUFFICIENT TO STABILIZE SUBSTANTIALLY SAID AMMONIUM SULFAMATE.
Claim 2
Dependent Claim
38 words
A FABRIC CONTAINING AMMONIUM SULFAMATE AS FLAME RETARDER AND MIXED THEREWITH DICYANDIAMIDE IN AN AMOUNT IN THE RANGE OF 5 TO 50 PARTS BY WEIGHT PER 100 PARTS OF FAMMONIUM SULFAMATE SUFFICIENT TO STABILIZE SUBSTANTIALLY SAID AMMONIUM SULFAMATE.
References Cited (Backward Citations)
US2526462A
Cited
US2520103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |