US2643827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding apparatus
Assignee: Hamilton Tool Co
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Filing: 1951-01-25
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Granted: 1953-06-30
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Expires: 1971-01-25
Abstract
No abstract record available.
Inventors
- 👤 William H Franzmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:25
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/1955; B65H23/02; B65H23/16; B65H59/00; B65H59/38; B65H2301/00; B65H2301/20; B65H2301/23; B65H2301/30; B65H2301/35; B65H2301/351; 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) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |