Patent US2231672A successfully refreshed from Google Patents.
US2231672A
Expired / Lapsed
US
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Knitting machine
Assignee: LOMBARDI KNITTING MACHINE CO I
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Filing: 1938-09-17
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Granted: 1941-02-11
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Expires: 1958-09-17
Abstract
No abstract record available.
Inventors
- 👤 Lombardi Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:09
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/26; D04B9/28; D04B9/30; D04B9/32; D04B1/00; D04B1/10; D04B1/12; D04B1/126; D04B15/00; D04B15/38; D04B15/54; D04B15/58; D04B15/60
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) | 1944-02-11 | 1944-08-12 | 1945-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-11 | 1948-08-12 | 1949-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-11 | 1952-08-12 | 1953-02-11 | $7700.00 | Window Closed / Lapsed |