Patent US2463773A successfully refreshed from Google Patents.
US2463773A
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US
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Winding machine
Assignee: WERDNA Co
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Filing: 1944-04-14
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Granted: 1949-03-08
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Expires: 1964-04-14
Abstract
No abstract record available.
Inventors
- 👤 Jencks Charles Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:55
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/36; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |