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US3138561A
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Radiation resisting glass composition
Assignee: Johns Manville Fiber Glass Inc
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Filing: 1957-07-01
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Granted: 1964-06-23
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Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:21
CPC Classifications
G; G21; G21F; G21F1/00; G21F1/02; G21F1/10; C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/089; Y; Y10; Y10S; Y10S55/00; Y10S55/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A RADIATION RESISTANT GLASS COMPOSITION CAPABLE OF LOWER TEMPERATURE FORMATION OF GLASS FIBERS HAVING SUBMICRON DIAMETERS, CONSISTING ESSENTIALLY BY APPROXIMATE WEIGHT OF:
Claim 2
Dependent Claim
22 words
A RADIATION RESISTANT GLASS COMPOSITION CAPABLE OF LOWER TEMPERATURE FORMATION OF GLASS FIBERS HAVING SUBMICRON DIAMETERS, CONSISTING ESSENTIALLY BY APPROXIMATE WEIGHT OF:
References Cited (Backward Citations)
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US2197562A
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US2389305A
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US2489242A
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US2671492A
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |