Patent US2962450A successfully refreshed from Google Patents.
US2962450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fog dispelling composition
Assignee: Individual
•
Filing: 1957-04-03
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Granted: 1960-11-29
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Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Elod Egon
- 👤 Carolina Haus
- 👤 Schneider Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:18
CPC Classifications
E; E01; E01H; E01H13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A DEFOGGING COMPOSITION IN FORM OF AN AQUEOUS DISPERSION CONTAINING AT LEAST ABOUT 2.5 PERCENT BY WEIGHT OF A WETTING AGENT AND A FINELY DIVIDED OXIDE OF THE GROUP CONSISTING OF SILICA AND ALUMINA, THE RATIO OF WETTING AGENT TO OXIDE BEING ABOUT 50-90 TO ABOUT 50-10.
Claim 2
Dependent Claim
47 words
A DEFOGGING COMPOSITION IN FORM OF AN AQUEOUS DISPERSION CONTAINING AT LEAST ABOUT 2.5 PERCENT BY WEIGHT OF A WETTING AGENT AND A FINELY DIVIDED OXIDE OF THE GROUP CONSISTING OF SILICA AND ALUMINA, THE RATIO OF WETTING AGENT TO OXIDE BEING ABOUT 50-90 TO ABOUT 50-10.
References Cited (Backward Citations)
US2068987A
Cited
US2232728A
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US2408654A
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US2526684A
Cited
US2597871A
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US2443512A
Cited
US2601352A
Cited
US2775792A
Cited
FR1107120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |