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US3469134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical machines
Assignee: Lloyd Dynamowerke GmbH
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Filing: 1966-07-29
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Granted: 1969-09-23
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Expires: 1986-07-29
Abstract
No abstract record available.
Inventors
- 👤 Hartwig Beyersdorf
- 👤 Gerhard Bering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:48
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/22; H02K19/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1211617A
Cited
US2778960A
Cited
US3169204A
Cited
US3109114A
Cited
US3304598A
Cited
US3219861A
Cited
US3156839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |