Patent US3012845A successfully refreshed from Google Patents.
US3012845A
Expired / Lapsed
US
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Process for desizing glass fabric
Assignee: Hess Goldsmith & Co Inc
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Filing: 1960-08-31
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Granted: 1961-12-12
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Lotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:25
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/16; D02G3/18; C; C03; C03C; C03C25/00; C03C25/002; D06; D06B; D06B3/00; D06B3/10; D06B2700/00; D06B2700/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A PROCESS FOR DESIZING A SIZED UNFINISHED GLASS FABRIC, WHICH COMPRISES HEATING AN ADVANCING LENGTH OF SAID FABRIC TO A TEMPERATURE SUFFICIENTLY HIGH TO VOLATILIZE THE SIZE FROM THE FABRIC, MAINTAINING THE FABRIC AT SUCH TEMPERATURE FOR A TIME SUFFICIENT TO VOLATIZE AT LEAST 75% OF THE SIZE, TO DIFFUSING THE VOLATIZED SIZE AS TO PREVENT IGNITION AND BURNING OF THE SAME ADJACENT THE FABRIC, RAISING THE TEMPERATURE OF THE PARTLY DESIZED FABRIC TO A TEMPERATURE SUFFICIENTLY HIGH TO SET THE FIBERS THEREOF, AND VOLATILIZING SUBSTANTIALLY ALL OF THE REMINING SIZE FROM THE FABRIC WHILE DIFFUSING THE VOLATILIZED SIZE TO PREVENT IGNITION AND BURNING OF THE SAME IN THE VICINITY OF THE FABRIC AT THE ELEVATED TEMPERATURE.
Claim 2
Dependent Claim
117 words
A PROCESS FOR DESIZING A SIZED UNFINISHED GLASS FABRIC, WHICH COMPRISES HEATING AN ADVANCING LENGTH OF SAID FABRIC TO A TEMPERATURE SUFFICIENTLY HIGH TO VOLATILIZE THE SIZE FROM THE FABRIC, MAINTAINING THE FABRIC AT SUCH TEMPERATURE FOR A TIME SUFFICIENT TO VOLATIZE AT LEAST 75% OF THE SIZE, TO DIFFUSING THE VOLATIZED SIZE AS TO PREVENT IGNITION AND BURNING OF THE SAME ADJACENT THE FABRIC, RAISING THE TEMPERATURE OF THE PARTLY DESIZED FABRIC TO A TEMPERATURE SUFFICIENTLY HIGH TO SET THE FIBERS THEREOF, AND VOLATILIZING SUBSTANTIALLY ALL OF THE REMINING SIZE FROM THE FABRIC WHILE DIFFUSING THE VOLATILIZED SIZE TO PREVENT IGNITION AND BURNING OF THE SAME IN THE VICINITY OF THE FABRIC AT THE ELEVATED TEMPERATURE.
References Cited (Backward Citations)
US2845364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |