US2724065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic drag for control of yarn tension
Assignee: Individual
•
Filing: 1951-03-30
•
Granted: 1955-11-15
•
Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
- 👤 Erwin J Saxl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:52
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/16; B65H2555/00; B65H2555/10; B65H2555/13; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US296212A
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US847597A
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US1465584A
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CH225541A
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US2293748A
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US2361239A
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US2519882A
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US2566743A
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US2614773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |