Patent US2830431A successfully refreshed from Google Patents.
US2830431A
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US
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Strand twisting machine
Assignee: Deering Milliken Research Corp
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Filing: 1954-03-22
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Granted: 1958-04-15
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Expires: 1974-03-22
Abstract
No abstract record available.
Inventors
- 👤 Norman E Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:24
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/26; D02G3/28; D02G3/285; D01; D01H; D01H1/00; D01H1/10; D01H1/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US723178A
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US2022379A
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US2002590A
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US2487837A
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US2505050A
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US2575476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |