Patent US2707690A successfully refreshed from Google Patents.
US2707690A
Expired / Lapsed
US
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Method and apparatus for applying liquid materials to fibers
Assignee: Owens Corning
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Filing: 1951-04-10
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Granted: 1955-05-03
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Expires: 1971-04-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:19
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/14; C03C25/146
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A METHOD OF TREATING FIBERS OF MINERAL MATERIAL FORMED FROM FLOWING STREAMS OF THE MINERAL MATERIAL BY ENGAGING THE STARCH WITH BLASTS OF GAS TO ATTENUATE THE STREAMS OF FIBERS; OF FLOWING A PLURALITY OF STREAMS OF A BONDING AGENT FOR DELIVERY ONTO THE FIBERS; OF FLOWING A CORRESPONDING NUMBER OF STREAMS OF OIL ONTO THE RESPECTIVE STREAM OF BONDING AGENT; OF INDIVIDUALLY CONTROLLING THE RATE OF FLOW OF THE STREAMS OF BONDING AGENT AND OIL; AND OF INJECTING THE INDIVIDUAL MIXTURES OF BONDING AGENT AND OIL AT SPACED ZONES ONTO THE FIBERS BY JETS OF PRESSURE FLUID.
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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) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |