Patent US2883296A successfully refreshed from Google Patents.
Patent US3045317A successfully refreshed from Google Patents.
US3045317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing sized glass yarns
Assignee: JP Stevens and Co Inc
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Filing: 1957-06-04
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Granted: 1962-07-24
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Expires: 1977-06-04
Abstract
No abstract record available.
Inventors
- 👤 Gary M Shipman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:42
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS OF WARP SIZING GLASS YARNS AND CLEANING GLASS FABRICS WOVEN THEREFROM, COMPRISING APPLYING A SIZE CONSISTING OF POLYVINYL ALCOHOL AND WATER TO SAID YARNS WHILE MAINTAINING SAID SIZE AT A TEMPERATURE OF 105* TO 115*F. AND WHILE CONSTANTLY CIRCULATING SAID SIZE, DRYING SAID YARNS, WEAVING SAID YARNS INTO A FABRIC, AND THEREAFTER IGNITING SAID SIZE AND SUBSTANTIALLY COMPLETELY BURNING THE SIZE OFF THE FABRIC BY PASSING THE WOVEN FABRIC THROUGH AN ATMOSPHERE HEATED TO A TEMPERATURE OF APPROXIMATELY 1200* TO 1500*F.
Claim 2
Dependent Claim
83 words
A PROCESS OF WARP SIZING GLASS YARNS AND CLEANING GLASS FABRICS WOVEN THEREFROM, COMPRISING APPLYING A SIZE CONSISTING OF POLYVINYL ALCOHOL AND WATER TO SAID YARNS WHILE MAINTAINING SAID SIZE AT A TEMPERATURE OF 105* TO 115*F. AND WHILE CONSTANTLY CIRCULATING SAID SIZE, DRYING SAID YARNS, WEAVING SAID YARNS INTO A FABRIC, AND THEREAFTER IGNITING SAID SIZE AND SUBSTANTIALLY COMPLETELY BURNING THE SIZE OFF THE FABRIC BY PASSING THE WOVEN FABRIC THROUGH AN ATMOSPHERE HEATED TO A TEMPERATURE OF APPROXIMATELY 1200* TO 1500*F.
References Cited (Backward Citations)
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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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |