US2502898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Equipment Repair & Manufacturing Co
•
Filing: 1944-08-08
•
Granted: 1950-04-04
•
Expires: 1964-08-08
Abstract
No abstract record available.
Inventors
- 👤 Lawrence K Spitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:14
CPC Classifications
F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US765785A
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US898682A
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US1298956A
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US1878282A
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US2178280A
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US2159137A
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US2256982A
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US2189373A
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US2279597A
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US2272917A
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US2312552A
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US2317171A
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US2321905A
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US2366433A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |