US2920592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic thread cutting attachment for multi-needle sewing machines
Assignee: JOHN J WANNER
•
Filing: 1957-08-26
•
Granted: 1960-01-12
•
Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Ritchie F Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:19
CPC Classifications
D; D05; D05B; D05B65/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2293096A
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US2593144A
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US2569396A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |