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US2669107A
Expired / Lapsed
US
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Flaw detector for knitting machines
Assignee: Coopers Inc
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Filing: 1947-09-16
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Granted: 1954-02-16
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Expires: 1967-09-16
Abstract
No abstract record available.
Inventors
- 👤 John W Phillips
- 👤 John A Roush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:16
CPC Classifications
D; D04; D04B; D04B35/00; D04B35/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1097503A
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US1784446A
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US2140087A
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US2017949A
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US2357712A
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US2357714A
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US2448639A
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US2422514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |