Patent US2285512A successfully refreshed from Google Patents.
Patent US2970557A successfully refreshed from Google Patents.
US2970557A
Expired / Lapsed
US
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Control device for the operation of sewing machines
Assignee: Individual
•
Filing: 1957-02-12
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Granted: 1961-02-07
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Expires: 1977-02-12
Abstract
No abstract record available.
Inventors
- 👤 Schwab Brunhilde
- 👤 Palloch Herbert
- 👤 Kurz Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:10
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/20; B; B23; B23B; B23B3/00; B23B3/08; B23B3/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |