US2470264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor bearing
Assignee: Hansen Manufacturing Co Inc
•
Filing: 1947-01-18
•
Granted: 1949-05-17
•
Expires: 1967-01-18
Abstract
No abstract record available.
Inventors
- 👤 Lloyd D Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:43
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1675
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1392174A
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US1390197A
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US1648564A
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US1851586A
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US2223518A
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US2137986A
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US2159327A
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US2302564A
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US2397626A
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US2387073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |