US3518469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical driving arrangement including a flywheel
Assignee: Rheinmetall Air Defence AG
•
Filing: 1968-02-07
•
Granted: 1970-06-30
•
Expires: 1988-02-07
Abstract
No abstract record available.
Inventors
- 👤 Bjarne Storsand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:24
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/02; H02K7/025; Y; Y02; Y02E; Y02E60/00; Y02E60/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1558721A
Cited
US2641132A
Cited
US2720602A
Cited
US3205383A
Cited
US3305740A
Cited
US3322986A
Cited
US3436572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |