US1858506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric machine
Assignee: Individual
•
Filing: 1930-12-01
•
Granted: 1932-05-17
•
Expires: 1950-12-01
Abstract
No abstract record available.
Inventors
- 👤 Reed E Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:35
CPC Classifications
B; B60; B60K; B60K1/00; B60K1/02; B60L; B60L3/00; B60L3/0023; B60L3/0061; B60L50/00; B60L50/50; B60L50/52; B60L2200/00; B60L2200/36; B60L2220/00; B60L2220/40; B60L2220/44; B60L2240/00; B60L2240/10; B60L2240/36; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70
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) | 1935-05-17 | 1935-11-16 | 1936-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-17 | 1939-11-16 | 1940-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-17 | 1943-11-16 | 1944-05-17 | $7700.00 | Window Closed / Lapsed |