US1851727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery locomotive
Assignee: Westinghouse Electric Corp
•
Filing: 1930-05-28
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Granted: 1932-03-29
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Expires: 1950-05-28
Abstract
No abstract record available.
Inventors
- 👤 Amos A Ponsonby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:47
CPC Classifications
B; B61; B61C; B61C3/00; B61C3/02; B60; B60L; B60L53/00; B60L53/80; B60L2200/00; B60L2200/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072; Y02T30/00; Y02T90/00; Y02T90/10; Y02T90/12; Y02T90/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-03-29 | 1935-09-28 | 1936-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-29 | 1939-09-28 | 1940-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-29 | 1943-09-28 | 1944-03-29 | $7700.00 | Window Closed / Lapsed |