US3448309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature electric motor
Assignee: Siemens AG
•
Filing: 1966-11-07
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Granted: 1969-06-03
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Kurt Epp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:24
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/06; A61C1/05; A61C1/052; A61C1/08; H; H02; H02K; H02K9/00; H02K9/02; H02K9/04; H02K9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2643731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |