Patent US2681289A successfully refreshed from Google Patents.
US2681289A
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Glass composition
Assignee: Gustin Bacon Manufacturing Co
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Filing: 1950-03-04
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Granted: 1954-06-15
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Expires: 1970-03-04
Abstract
No abstract record available.
Inventors
- 👤 Lorenzo D Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:46
CPC Classifications
C; C03; C03C; C03C13/00; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A GLASS COMPOSITION FOR THE PRODUCTION OF FIBER GLASS CONSISTING OF THE FOLLOWING CONSTITUENTS IN THE PROPORTIONS INDICATED:
Claim 2
Dependent Claim
18 words
A GLASS COMPOSITION FOR THE PRODUCTION OF FIBER GLASS CONSISTING OF THE FOLLOWING CONSTITUENTS IN THE PROPORTIONS INDICATED:
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) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |