US3075228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-fogging article
Assignee: Individual
•
Filing: 1958-02-24
•
Granted: 1963-01-29
•
Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel M Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:21
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/28; C03C17/32; C09; C09K; C09K3/00; C09K3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AS AN ARTICLE OF MANUFACTURE USEFUL IN PREVENTING THE FORGING OF GLASS AND THE LIKE, COMPRISING A FIBROUS MATERIAL HAVING INCORPORATED THEREIN AT LEAST 3% BY WEIGHT BASED ON THE ORIGINAL WEIGHT OF SAID FIBROUS MATERIAL OF AN ALKALI METAL SALT OF SULFATED ALKYL ARYLOXYPOLYALKOXY ALCOHOL.
Claim 2
Dependent Claim
46 words
AS AN ARTICLE OF MANUFACTURE USEFUL IN PREVENTING THE FORGING OF GLASS AND THE LIKE, COMPRISING A FIBROUS MATERIAL HAVING INCORPORATED THEREIN AT LEAST 3% BY WEIGHT BASED ON THE ORIGINAL WEIGHT OF SAID FIBROUS MATERIAL OF AN ALKALI METAL SALT OF SULFATED ALKYL ARYLOXYPOLYALKOXY ALCOHOL.
References Cited (Backward Citations)
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US2353978A
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US2288714A
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US2372171A
Cited
US2489026A
Cited
US2561010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |