Patent US3498263A successfully refreshed from Google Patents.
US3498263A
Expired / Lapsed
US
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Apparatus for coating continuously produced filaments
Assignee: Owens Corning
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Filing: 1968-04-12
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Granted: 1970-03-03
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Expires: 1988-04-12
Abstract
No abstract record available.
Inventors
- 👤 Fernando Alvarez De Toledo
- 👤 Leon E Charlier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:09
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/10; D06B1/14; C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |