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US3152271A
Expired / Lapsed
US
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Dynamo-electric machines
Assignee: Sanyo Electric Co Ltd
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Filing: 1962-05-08
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Granted: 1964-10-06
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Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
- 👤 Yamano Masaru
- 👤 Iemura Toshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:17
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/20; H02K11/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |