Patent US3029993A successfully refreshed from Google Patents.
US3029993A
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Apparatus for feeding a continuous untwisted multifilament strand
Assignee: Owens Corning
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Filing: 1958-10-23
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Granted: 1962-04-17
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Expires: 1978-10-23
Abstract
No abstract record available.
Inventors
- 👤 Robert G Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:34
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/03; D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D11/00; D01D11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2259202A
Cited
US2313630A
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US2320891A
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US2561761A
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US2447131A
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GB666148A
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US2621444A
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US2685763A
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US2773588A
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US2729029A
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US2729030A
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US2909827A
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |