US2854355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of glass fibers
Assignee: LOF GLASS FIBERS CO
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Filing: 1953-11-12
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Granted: 1958-09-30
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Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Motter
- 👤 William L Elton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:33
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A METHOD OF TREATING GLASS FIBERS TO IMPROVE THE RECEPTIVITY OF SAID FIBERS FOR RESINOUS MATERIALS, WHICH COMPRISES CONTACTING THE FIBERS WITH AN AQUEOUS SOLUTION OF A HYDROLYZED VINYL SILANE HAVING AN ACID PH, ARRANGING SAID CONTACTED GLASS FIBERS ONE UPON THE OTHER INTO A
Claim 2
Independent Claim
45 words
A METHOD OF TREATING GLASS FIBERS TO IMPROVE THE RECEPTIVITY OF SAID FIBERS FOR RESINOUS MATERIALS, WHICH COMPRISES CONTACTING THE FIBERS WITH AN AQUEOUS SOLUTION OF A HYDROLYZED VINYL SILANE HAVING AN ACID PH, ARRANGING SAID CONTACTED GLASS FIBERS ONE UPON THE OTHER INTO A
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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 |