US2566619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating material and method of forming the same
Assignee: Owens Corning
•
Filing: 1945-10-12
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Granted: 1951-09-04
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Expires: 1965-10-12
Abstract
No abstract record available.
Inventors
- 👤 Herman L Lyon
- 👤 Justin R Boeker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:02
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/04; B; B29; B29C; B29C70/00; B29C70/003; B32; B32B; B32B27/00; C; C08; C08L; C08L89/00; C08L89/005; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2213; Y10T442/2369; Y10T442/2525; Y10T442/2631; Y10T442/2721; Y10T442/30; Y10T442/3707; Y10T442/378; Y10T442/3846
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A METHOD OF MAKING A HARD SURFACED GLASS FIBER INSULATION OF LOW DENSITY WHICH COMPRISES COVERING AT LEAST ONE WALL OF AN INSULATING LAYER OF BONDED GALSS FIBERS WITH A THIN GLASS FIBER FABRIC, APPLYING A COMPOSITION OVER THE FABRIC WHICH CONSISTS ESSENTIALLY OF CASEIN, LIME, AND WATER SOLUBLE PHENOL FORMALDEHYDE RESIN AND WATER PRESENT IN THE RATIO OF 5.4-5.7 PART BY WEIGHT CASEIN, 35.059.0 PARTS BY WEIGHT FINELY DIVIDED LIMESTONE, 1.9-3.7 PARTS BY WEIGHT RESIN AND 30.0-54.0 PARTS BY WEIGHT WATER, AND REACTING THE COMPOSITE MASS AT ELEVATED TEMPERATURE TO HARDEN THE CASEIN AND RESIN AND TO DRIVE OFF THE WATER.
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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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |