Patent JPS58158367A successfully refreshed from Google Patents.
US2598537A
Expired / Lapsed
US
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Apparatus for continuously coiling elongated filaments
Assignee: AT&T Inc
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Filing: 1947-03-31
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Granted: 1952-05-27
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Expires: 1967-03-31
Abstract
No abstract record available.
Inventors
- 👤 Estyle D Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:24
CPC Classifications
B; B65; B65H; B65H67/00; B65H67/04; H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/09; H01F41/092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US636242A
Cited
US1637700A
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US1945898A
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US2149851A
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US2126528A
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US2321646A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |