US3068670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for production of glass fibers
Assignee: Owens Corning
•
Filing: 1959-10-13
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Granted: 1962-12-18
•
Expires: 1979-10-13
Abstract
No abstract record available.
Inventors
- 👤 Robert G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:08
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/0203; C03B37/0206; C03B37/0209
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1427014A
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US2291289A
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US2335135A
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US2634553A
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US2908036A
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US2821744A
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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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |