US2772987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass composition and metal coated glass fiber
Assignee: Owens Corning
•
Filing: 1952-11-07
•
Granted: 1956-12-04
•
Expires: 1972-11-07
Abstract
No abstract record available.
Inventors
- 👤 Harry B Whitehurst
- 👤 William H Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:21
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C25/46; Y; Y10; Y10S; Y10S118/00; Y10S118/18; Y10S264/00; Y10S264/19; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2956; Y10T428/296
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
METAL COATED FIBERS OF A GLASS COMPOSITION COMPRISING BY WEIGHT:
Claim 2
Dependent Claim
10 words
METAL COATED FIBERS OF A GLASS COMPOSITION COMPRISING BY WEIGHT:
References Cited (Backward Citations)
US2143022A
Cited
US2251913A
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US2500099A
Cited
US2491761A
Cited
US2616165A
Cited
US2562182A
Cited
US2577936A
Cited
US2685526A
Cited
US2685527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |