Patent US2767567A successfully refreshed from Google Patents.
US2767567A
Expired / Lapsed
US
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Circular knitting machine
Assignee: HARCOURT KNITTING Co
•
Filing: 1953-02-04
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Granted: 1956-10-23
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Expires: 1973-02-04
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Jenard
- 👤 Fregeolle Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:01
CPC Classifications
D; D04; D04B; D04B1/00; D04B1/14; D04B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1138717A
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US1726568A
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US2217225A
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US2135756A
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US2087820A
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US2169699A
Cited
US2193311A
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US2286955A
Cited
US2441443A
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US2432685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |