US2658880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for coating fabrics
Assignee: Chempatents Inc
•
Filing: 1950-04-10
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Granted: 1953-11-10
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Expires: 1970-04-10
Abstract
No abstract record available.
Inventors
- 👤 Landau Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:52
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T442/00; Y10T442/20; Y10T442/2213; Y10T442/2631; Y10T442/2656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A COATING COMPOSITION COMPRISING CHLORINATED POLYETHYLENE HAVING A CHLORINE CONTENT OF FROM 5% TO 85%, AND PRESENT IN AN AMOUNT OF APPROXIMATELY 72%, BY WEIGHT, APPROXIMATELY 20% BY WEIGHT OF ANTIMONY TRIOXIDE, AND APPROXIMATELY 8% BY WEIGHT OF A PLASTICIZER.
Claim 2
Dependent Claim
40 words
A COATING COMPOSITION COMPRISING CHLORINATED POLYETHYLENE HAVING A CHLORINE CONTENT OF FROM 5% TO 85%, AND PRESENT IN AN AMOUNT OF APPROXIMATELY 72%, BY WEIGHT, APPROXIMATELY 20% BY WEIGHT OF ANTIMONY TRIOXIDE, AND APPROXIMATELY 8% BY WEIGHT OF A PLASTICIZER.
References Cited (Backward Citations)
US2480009A
Cited
US2480298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |