US2528554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-repellent textiles and process of making same
Assignee: Ellis Foster Co
•
Filing: 1943-11-03
•
Granted: 1950-11-07
•
Expires: 1963-11-03
Abstract
No abstract record available.
Inventors
- 👤 John B Rust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:51
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
WATER-REPELLENT TEXTILE COMPRISING A TEXTILE CARRYING A SILICON DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ALKOXY SILICON AND AN ALKYL SILICYL ESTER FIXED THEREON BY HEATING AT A TEMPERATURE OF 120 TO 180*C. IN AN AMOUNT FROM 1 TO 10% TO GIVE A LIGHT, WATER-REPELLENT COATING WITHOUT INTERFERING WITH THE BREATHING PROPERTY OF THE TEXTILE.
Claim 2
Dependent Claim
57 words
WATER-REPELLENT TEXTILE COMPRISING A TEXTILE CARRYING A SILICON DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ALKOXY SILICON AND AN ALKYL SILICYL ESTER FIXED THEREON BY HEATING AT A TEMPERATURE OF 120 TO 180*C. IN AN AMOUNT FROM 1 TO 10% TO GIVE A LIGHT, WATER-REPELLENT COATING WITHOUT INTERFERING WITH THE BREATHING PROPERTY OF THE TEXTILE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |