US2477024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable speed gearing mechanism
Assignee: Individual
•
Filing: 1945-08-18
•
Granted: 1949-07-26
•
Expires: 1965-08-18
Abstract
No abstract record available.
Inventors
- 👤 George C Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:00
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503919A
Cited
GB115175A
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US804438A
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US846182A
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GB190821615A
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US1060999A
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US1213243A
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US1083863A
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US1161463A
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US2236631A
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US2321960A
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US2296573A
Cited
US2296519A
Cited
US2407975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |