US2523501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch disk separator
Assignee: Caterpillar Inc
•
Filing: 1947-01-15
•
Granted: 1950-09-26
•
Expires: 1967-01-15
Abstract
No abstract record available.
Inventors
- 👤 James M Davies
- 👤 Karl J Mogk
- 👤 Russell C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:38
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/72; F16D13/60; F16D13/64; F16D13/69
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1527197A
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US1622261A
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US1928301A
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US1958894A
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US2180086A
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US2199801A
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US2204499A
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US2217357A
Cited
US2241242A
Cited
GB547240A
Cited
US2380680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |