Patent US2564121A successfully refreshed from Google Patents.
US2564121A
Expired / Lapsed
US
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Power system
Assignee: Waukesha Motor Co
•
Filing: 1949-05-11
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Granted: 1951-08-14
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Expires: 1969-05-11
Abstract
No abstract record available.
Inventors
- 👤 Lee W Melcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:57
CPC Classifications
B; B60; B60L; B60L1/00; B60L1/006; B60L1/02; B61; B61D; B61D27/00; B61D27/0036; B61D27/0045; B60L2200/00; B60L2200/26
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) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |