Patent US2846348A successfully refreshed from Google Patents.
US2846348A
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US
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Glass fiber sizing
Assignee: Owens Corning
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Filing: 1954-10-26
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Granted: 1958-08-05
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Expires: 1974-10-26
Abstract
No abstract record available.
Inventors
- 👤 Marzocchi Alfred
- 👤 Brown Alfred Winsor
- 👤 Gerald E Rammel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:57
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/25; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964; Y10T428/31504; Y10T428/31551; Y10T428/31645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A METHOD FOR PRODUCING A FIBROUS GLASS OF THE CLASS DESCRIBED WHICH INCLUDES THE STEPS OF FORMING A PLURALITY OF FINE GLASS FIBERS, DEPOSITING AND ACCUMULATING THE FIBERS, AND PROGRESSIVELY REMOVING AND LATERALLY COMPACTING THE ACCUMULATED FIBERS, THE IMPROVEMENT WHICH COMPRISES SPRAYING ONTO THE FIBERS, PRIOR TO ACCUMULATION, AN AQUEOUS DISPERSION CONTAINING FROM ABOUT 8 PERCENT TO ABOUT 13 PERCENT OF A LINEAR POLYGLYCOL POLYMER WHEREIN THE POLYGLYCOL IS A MIXED ETHYLENE-PROPYLENE POLYGLYCOL PRODUCED FROM 45 PERCENT TO 75 PERCENT OF ETHYLENE GLYCOL AND 55
Claim 2
Dependent Claim
86 words
IN A METHOD FOR PRODUCING A FIBROUS GLASS OF THE CLASS DESCRIBED WHICH INCLUDES THE STEPS OF FORMING A PLURALITY OF FINE GLASS FIBERS, DEPOSITING AND ACCUMULATING THE FIBERS, AND PROGRESSIVELY REMOVING AND LATERALLY COMPACTING THE ACCUMULATED FIBERS, THE IMPROVEMENT WHICH COMPRISES SPRAYING ONTO THE FIBERS, PRIOR TO ACCUMULATION, AN AQUEOUS DISPERSION CONTAINING FROM ABOUT 8 PERCENT TO ABOUT 13 PERCENT OF A LINEAR POLYGLYCOL POLYMER WHEREIN THE POLYGLYCOL IS A MIXED ETHYLENE-PROPYLENE POLYGLYCOL PRODUCED FROM 45 PERCENT TO 75 PERCENT OF ETHYLENE GLYCOL AND 55
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |