Patent US1456093A successfully refreshed from Google Patents.
US1456093A
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US
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Slack-take-up device for electric-iron cords
Assignee: Chicago Flexible Shaft Co
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Filing: 1920-12-07
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Granted: 1923-05-22
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Expires: 1940-12-07
Abstract
No abstract record available.
Inventors
- 👤 Carlson Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:39
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/003; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3984; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676; Y10T70/8757
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) | 1926-05-21 | 1926-11-20 | 1927-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-05-21 | 1930-11-20 | 1931-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-05-21 | 1934-11-20 | 1935-05-22 | $7700.00 | Window Closed / Lapsed |