US3085887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass composition
Assignee: Johns Manville Fiber Glass Inc
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Filing: 1960-10-25
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Granted: 1963-04-16
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
- 👤 Lawrence V Gagin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:42
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/11; C03C3/112; C03C3/115; C03C3/118; C03C13/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
A GLASS FIBER COMPOSITION HAVING A FIBER SOFTENING TEMPERATURE IN THE RANGE OF FROM ABOUT 1300 TO 1500*F. WHICH CONSISTS ESSENTIALLY OF THE FOLLOWING INGREDIENTS:
References Cited (Backward Citations)
US2877124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |