Patent US2854356A successfully refreshed from Google Patents.
US2854356A
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Glass fibers coated with amine fluosilicates and method of making same
Assignee: Arthur D Little Inc
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Filing: 1956-08-28
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Granted: 1958-09-30
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Expires: 1976-08-28
Abstract
No abstract record available.
Inventors
- 👤 Laurence R B Hervey
- 👤 Derek E Till
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:09
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PROCESS OF TREATING GLASS FIBERS COMPRISING APPLYING TO SAID FIBERS A SOLUTION OF AN AMINE FLUOSILICATE CONTAINING A CARBON CHAIN HAVING AT LEAST 4 CARBON ATOMS AND THEREAFTER DRYING THE COATED FIBERS TO PRODUCE A RESIDUAL LUBRICATING FILM THEREON, THEREBY INCREASING THE ABRASION RESISTANCE OF SAID FIBERS.
Claim 2
Dependent Claim
48 words
A PROCESS OF TREATING GLASS FIBERS COMPRISING APPLYING TO SAID FIBERS A SOLUTION OF AN AMINE FLUOSILICATE CONTAINING A CARBON CHAIN HAVING AT LEAST 4 CARBON ATOMS AND THEREAFTER DRYING THE COATED FIBERS TO PRODUCE A RESIDUAL LUBRICATING FILM THEREON, THEREBY INCREASING THE ABRASION RESISTANCE OF SAID FIBERS.
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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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |