US1156829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling device for electrical machines mounted on vessels.
Assignee: Individual
•
Filing: 1915-08-05
•
Granted: 1915-10-12
•
Expires: 1935-08-05
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:57
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/18; B; B60; B60H; B60H1/00; B60H1/02; B60H1/14; B60H1/18
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) | 1918-10-11 | 1919-04-12 | 1919-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-10-11 | 1923-04-12 | 1923-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-10-11 | 1927-04-12 | 1927-10-12 | $7700.00 | Window Closed / Lapsed |