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US2966868A
Expired / Lapsed
US
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Zigzag sewing machine
Assignee: Anker Werke AG
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Filing: 1955-06-13
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Granted: 1961-01-03
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Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 Theenhausen Heinrich
- 👤 Wank Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:54
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/02; D05B19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US652327A
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US935847A
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US1912917A
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US2202515A
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US2087562A
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FR871275A
Cited
US2653557A
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US2684649A
Cited
DE904020C
Cited
US2854935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |