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US2830648A
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Process and apparatus for producing a glass fiber mat
Assignee: L O F GLASS FIBERS Co
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Filing: 1956-06-06
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Granted: 1958-04-15
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Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 Edward J Haddox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:40
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/24; B29C67/248; B29C67/249; D; D04; D04H; D04H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295971A
Cited
US2604427A
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US2728699A
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US2744044A
Cited
US2753598A
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US2758952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |