US2921452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knitting machines and operating mechanism therefor
Assignee: Textile Machine Works
•
Filing: 1953-09-08
•
Granted: 1960-01-19
•
Expires: 1973-09-08
Abstract
No abstract record available.
Inventors
- 👤 Held Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
D; D04; D04B; D04B27/00; D04B27/10; D04B27/24; D04B27/26; D04B27/06; D04B27/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1203290A
Cited
DE489214C
Cited
US2155145A
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US2143609A
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US2476344A
Cited
US2508209A
Cited
US2533061A
Cited
US2635443A
Cited
US2634594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |