US2589453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric vehicle running between two charging stations without a contact-line
Assignee: Rheinmetall Air Defence AG
•
Filing: 1945-07-28
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Granted: 1952-03-18
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Expires: 1965-07-28
Abstract
No abstract record available.
Inventors
- 👤 Storsand Bjarne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:31
CPC Classifications
H; H02; H02K; H02K17/00; B; B60; B60L; B60L50/00; B60L50/30; B60L50/40; B60L50/50; B60L50/51; B60L7/00; B60L7/10; B60L7/14; B60L9/00; B60L9/16; B60L9/24; B60L9/28; B61; B61C; B61C17/00; B61C17/06; B60L2200/00; B60L2200/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y02T30/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |