US2684309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Size composition and fibrous glass articles coated therewith
Assignee: Owens Corning
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Filing: 1951-04-16
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Granted: 1954-07-20
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Expires: 1971-04-16
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Deardurff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:33
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/25; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
A TEXTILE SIZE CONSISTING ESSENTIALLY OF ABOUT 30% TO 50% BY WEIGHT TERPHENYL AND ABOUT 50% TO 70% BY WEIGHT HYDROGENATED TERPHENYL.
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) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |