US2456804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread finishing machine
Assignee: Leesona Corp
•
Filing: 1944-12-09
•
Granted: 1948-12-21
•
Expires: 1964-12-09
Abstract
No abstract record available.
Inventors
- 👤 Albert E Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:13
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2145495A
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US2225505A
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US2306607A
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US2224665A
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US2318533A
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US2420399A
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US2376368A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |