US2601124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution for reducing light reflection
Assignee: AMERICAN OPTIEAL Co
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Filing: 1949-04-08
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Granted: 1952-06-17
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Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
- 👤 Harold R Moulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:18
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/10; G02B1/11; G02B1/113
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A SOLUTION FOR REDUING THE LIGHT REFLECTIVE CHARACTERISTIC OF AN ARTICLE TREATED THEREBY CONSISTING OA APPROXIMATELY 1 TO 10 PER CENT BY VOLUME OF A SILICIC ACID ALKYL ESTER SELECTED FROM THE GROUP CONSISTING OF TETRAETHYLORTHOSILICATE, TETRAMETHYLORTHOSILICATE AND MIXTURES THEREOF, APPROXIMATELY 1 TO 10 PER CENT OF A STRONG MINERAL ACID, AND THE REMAINDER OF THE SOLUTION CONSISTING OF ETHYLENE GLYCOL LOWER ALKYL ETHER, THE ALKYL GROUP CONSISTING FROM 1 TO 5 CARBON ATOMS.
References Cited (Backward Citations)
US2455367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |