Patent US2459378A successfully refreshed from Google Patents.
US2459378A
Expired / Lapsed
US
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Variable-speed pulley
Assignee: Individual
•
Filing: 1946-06-10
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Granted: 1949-01-18
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Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 William W Hallinan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:30
CPC Classifications
F; F16; F16H; F16H59/00; F16H59/60; F16H59/64; F16H55/00; F16H55/32; F16H55/52; F16H55/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1629174A
Cited
GB190621198A
Cited
US1299691A
Cited
US1795570A
Cited
US1931663A
Cited
US2247552A
Cited
US2210976A
Cited
US2308655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |