Patent US2161880A successfully refreshed from Google Patents.
US2161880A
Expired / Lapsed
US
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Circular knitting machine
Assignee: INTERWOVEN STOCKING CO
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Filing: 1938-05-06
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Granted: 1939-06-13
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Expires: 1958-05-06
Abstract
No abstract record available.
Inventors
- 👤 John H Miller
- 👤 Paul L Thurston
- 👤 Lee W Poole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:27
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/42; D04B9/46; D04B9/54; D04B1/00; D04B1/10; D04B1/102; D04B1/106; D04B15/00; D04B15/32; D04B15/325; D04B9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-06-12 | 1942-12-12 | 1943-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-12 | 1946-12-12 | 1947-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-12 | 1950-12-12 | 1951-06-13 | $7700.00 | Window Closed / Lapsed |