Patent US2474445A successfully refreshed from Google Patents.
US2474445A
Expired / Lapsed
US
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Side draft stabilizer mechanism
Assignee: Avco Manufacturing Corp
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Filing: 1944-06-12
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Granted: 1949-06-28
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Expires: 1964-06-12
Abstract
No abstract record available.
Inventors
- 👤 Vutz Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:03
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1224114A
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US1588035A
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US1379074A
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US1638854A
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GB282084A
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US1821816A
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US1942235A
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US1946501A
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US2174464A
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US2148246A
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US2311859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-27 | 1952-12-27 | 1953-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-27 | 1956-12-27 | 1957-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-27 | 1960-12-27 | 1961-06-28 | $7700.00 | Window Closed / Lapsed |