US2608495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rendering water-wettable solid material water repellent and product resulting therefrom
Assignee: Dow Chemical Co
•
Filing: 1946-01-31
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Granted: 1952-08-26
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Expires: 1966-01-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:15
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; Y; Y10; Y10S; Y10S8/00; Y10S8/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A METHOD WHICH COMPRISES APPLYING TO THE SURFACE OF A WATER-WETTABLE SOLID MATERIAL, AN ORGANO-SILICON COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Independent Claim
20 words
A METHOD WHICH COMPRISES APPLYING TO THE SURFACE OF A WATER-WETTABLE SOLID MATERIAL, AN ORGANO-SILICON COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |