US2664406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fissured tile composed of glass fibers, gypsum cement, and aminealdehyde resin, and method of making same
Assignee: Owens Corning
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Filing: 1950-12-09
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Granted: 1953-12-29
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Expires: 1970-12-09
Abstract
No abstract record available.
Inventors
- 👤 Marshall C Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:48
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; C; C04; C04B; C04B28/00; C04B28/14; Y; Y10; Y10S; Y10S264/00; Y10S264/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
FISSURED TILE CONSISTING ESSENTIALLY OF A MIXTURE OF GLASS FIBERS AND A CEMENT IN WHICH THE FIBERS ARE PRESENT IN AMOUNTS RANGING FROM 20-60 PERCENT BY WEIGHT AND IN WHICH THE CEMENT IS FORMULATED OF A FOAMED AMINO-ALDEHYDE RESIN SOLUTION IN WATER AND ALPHA GYPSUM CEMENT PRESENT IN THE RATIO OF 1 PART BY WEIGHT RESIN TO 4-8 PARTS BY WEIGHT ALPHA GYPSUM.
Claim 2
Dependent Claim
63 words
FISSURED TILE CONSISTING ESSENTIALLY OF A MIXTURE OF GLASS FIBERS AND A CEMENT IN WHICH THE FIBERS ARE PRESENT IN AMOUNTS RANGING FROM 20-60 PERCENT BY WEIGHT AND IN WHICH THE CEMENT IS FORMULATED OF A FOAMED AMINO-ALDEHYDE RESIN SOLUTION IN WATER AND ALPHA GYPSUM CEMENT PRESENT IN THE RATIO OF 1 PART BY WEIGHT RESIN TO 4-8 PARTS BY WEIGHT ALPHA GYPSUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |