US2600520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction disk separator for double disk clutches
Assignee: Lipe Rollway Corp
•
Filing: 1948-10-16
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Granted: 1952-06-17
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Expires: 1968-10-16
Abstract
No abstract record available.
Inventors
- 👤 Charles B Spase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:11
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/46; F16D13/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US511047A
Cited
US1717534A
Cited
US1745033A
Cited
US2036005A
Cited
US2257877A
Cited
US2280357A
Cited
US2379024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |