Patent US2431205A successfully refreshed from Google Patents.
US2431205A
Expired / Lapsed
US
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Apparatus for manufacturing fibrous glass
Assignee: Owens Corning
•
Filing: 1943-09-08
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Granted: 1947-11-18
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Expires: 1963-09-08
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:20
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048; C03B37/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1938982A
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FR780140A
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US2212448A
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GB524528A
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US2338473A
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FR50209E
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |