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US2222228A
Expired / Lapsed
US
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Thread-waxing device
Assignee: Leesona Corp
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Filing: 1939-05-05
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Granted: 1940-11-19
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Expires: 1959-05-05
Abstract
No abstract record available.
Inventors
- 👤 Hitchcock Harold Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:32
CPC Classifications
D; D06; D06B; D06B3/00; B; B65; B65H; B65H71/00; B65H71/005; D02; D02H; D02H5/00; D02H5/02; D02J; D02J3/00; D02J3/18; B65H2701/00; B65H2701/30; B65H2701/31; D06B2700/00; D06B2700/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-11-19 | 1944-05-20 | 1944-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-19 | 1948-05-20 | 1948-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-19 | 1952-05-20 | 1952-11-19 | $7700.00 | Window Closed / Lapsed |