US2663751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water replenishing device for storage batteries
Assignee: Individual
•
Filing: 1950-11-18
•
Granted: 1953-12-22
•
Expires: 1970-11-18
Abstract
No abstract record available.
Inventors
- 👤 Samuel F Bashara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:34
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/60; H01M50/609; H01M50/627; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86187; Y10T137/8622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190700517A
Cited
FR659787A
Cited
US1909836A
Cited
US2339642A
Cited
GB551867A
Cited
US2516084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |