US1963123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low level indicator for electrolyte of storage batteries
Assignee: Individual
•
Filing: 1933-04-26
•
Granted: 1934-06-19
•
Expires: 1953-04-26
Abstract
No abstract record available.
Inventors
- 👤 John A Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:21
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; H01M10/484; G; G01; G01F; G01F23/00; G01F23/30; G01F23/56; G01F23/60; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S200/00; Y10S200/41
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) | 1937-06-18 | 1937-12-18 | 1938-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-18 | 1941-12-18 | 1942-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-18 | 1945-12-18 | 1946-06-19 | $7700.00 | Window Closed / Lapsed |