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US2549637A
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Self-contained, speed-varying countershaft unit
Assignee: Reeves Pulley Co
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Filing: 1949-10-24
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Granted: 1951-04-17
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Expires: 1969-10-24
Abstract
No abstract record available.
Inventors
- 👤 Paul B Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:02
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/14; F16H9/16; F16H2009/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22875E
Cited
US814060A
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US2235122A
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US2198471A
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US2201600A
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US2395625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |