Patent US3033239A successfully refreshed from Google Patents.
US3033239A
Expired / Lapsed
US
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Weaving unsized yarns
Assignee: Dow Chemical Co
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Filing: 1961-03-17
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Granted: 1962-05-08
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Russell S Kenin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:18
CPC Classifications
D; D03; D03D; D03D15/00; D03D15/40; D03D15/44; D03D15/46; D03D15/20; D03D15/208; D03D15/217; D03D15/225; D03D15/283; D03D15/41; D10; D10B; D10B2201/00; D10B2201/01; D10B2201/02; D10B2201/20; D10B2201/22; D10B2201/24; D10B2211/00; D10B2211/01; D10B2211/02; D10B2211/04; D10B2321/00; D10B2321/02; D10B2321/021; D10B2321/022; D10B2401/00; D10B2401/04; D10B2401/041
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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |