US2619475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonded glass fiber structures and method and composition for use in manufacturing compositions
Assignee: Owens Corning
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Filing: 1951-08-30
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Granted: 1952-11-25
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Expires: 1971-08-30
Abstract
No abstract record available.
Inventors
- 👤 Louis A Kovreg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:09
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/409; H01M50/44; C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; H01M50/431; H01M50/434; H01M50/437; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T442/00; Y10T442/60; Y10T442/69
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
A BINDER COMPOSITION FOR GLASS FIBERS COMPRISING FURFURYL ALCOHOL, CARBAMATE OF STARCH AND AN ACIDIC CATALYST FOR POLYMERIZATION OF THE FURFURYL ALCOHOL IN AQUEOUS MEDIUM.
References Cited (Backward Citations)
US2538903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |