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Patent US2584905A successfully refreshed from Google Patents.
US2584905A
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Surface reflection modifying solutions
Assignee: American Optical Corp
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Filing: 1948-09-27
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Granted: 1952-02-05
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Expires: 1968-09-27
Abstract
No abstract record available.
Inventors
- 👤 Harold R Moulton
- 👤 Edgar D Tillyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:38
CPC Classifications
G; G02; G02B; G02B1/00; G02B1/10; G02B1/11; G02B1/113
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A SOLUTION FOR USE IN MODIFYING THE LIGHT REFLECTIVE CHARACTERISTICS OF AN ARTICLE TREATED THEREWITH COMPRISING 90 TO 100 PARTS BY WEIGHT OF A LOWER ALKANOL HAVING ONE TO FOUR CARBON ATOMS, AND FROM 1.0 TO 10 PARTS BY WEIGHT OF A TETRA-HALIDE EXCEPTING FLUORIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND TIN.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |