Patent US2875893A successfully refreshed from Google Patents.
US2875893A
Expired / Lapsed
US
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Apparatus for producing thermoplastic fibers
Assignee: Owens Corning
•
Filing: 1953-08-13
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Granted: 1959-03-03
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Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Robert G Russell
- 👤 Edward W Smart
- 👤 James D Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:14
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/04; C; C03; C03B; C03B37/00; C03B37/08; C03B37/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US617990A
Cited
US759811A
Cited
US1051075A
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US1738680A
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US1694691A
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US2190084A
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US2428228A
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US2510658A
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US2453864A
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US2482071A
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US2667961A
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US2544091A
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US2635389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |