Patent US2896907A successfully refreshed from Google Patents.
US2929569A
Expired / Lapsed
US
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Continuous wire winding apparatus
Assignee: AT&T Inc
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Filing: 1957-02-26
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Granted: 1960-03-22
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Expires: 1977-02-26
Abstract
No abstract record available.
Inventors
- 👤 Judson N Detrick
- 👤 Carl R Hoffman
- 👤 Lester W Malzahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:07
CPC Classifications
B; B65; B65H; B65H67/00; B65H67/04; B65H67/044; B65H67/056; B21; B21C; B21C49/00; B65H51/00; B65H51/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733869A
Cited
US2255935A
Cited
US2469706A
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US2508150A
Cited
GB705699A
Cited
US2779545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |