US925708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for ventilating and cooling storage-battery systems.
Assignee: Individual
•
Filing: 1908-10-31
•
Granted: 1909-06-22
•
Expires: 1928-10-31
Abstract
No abstract record available.
Inventors
- 👤 Simon Lake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:36
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/60; H01M10/61; H01M10/613; Y; Y02; Y02E; Y02E60/00; Y02E60/10
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) | 1912-06-21 | 1912-12-21 | 1913-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-06-21 | 1916-12-21 | 1917-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-06-21 | 1920-12-21 | 1921-06-22 | $7700.00 | Window Closed / Lapsed |