US3063094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing filaments of heat-softenable materials
Assignee: Owens Corning
•
Filing: 1959-07-29
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Granted: 1962-11-13
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Expires: 1979-07-29
Abstract
No abstract record available.
Inventors
- 👤 William P Warthen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:19
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/022; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750971A
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GB511857A
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US2515738A
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US2765586A
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US2783590A
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US2880551A
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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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |