US2947027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of glass fibers
Assignee: Owens Corning
•
Filing: 1952-01-16
•
Granted: 1960-08-02
•
Expires: 1972-01-16
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:17
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/08; C03B37/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR647913A
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GB381582A
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US1926552A
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US2266349A
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US2257767A
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US2229489A
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US2390925A
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US2408713A
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US2450363A
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US2577213A
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US2489508A
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FR1003082A
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US2535888A
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US2553692A
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US2596042A
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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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |