US2936479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming fibrous glass
Assignee: Owens Corning
•
Filing: 1956-04-23
•
Granted: 1960-05-17
•
Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Albert R Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:01
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D04H1/655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1656828A
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US1977406A
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US1968851A
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US2116663A
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US2112557A
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US2328714A
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US2624912A
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US2609566A
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US2763099A
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US2707690A
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US2647851A
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US2707847A
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FR1124487A
Cited
BE545632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |