US2548558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery
Assignee: Willard Storage Battery Co
•
Filing: 1947-01-15
•
Granted: 1951-04-10
•
Expires: 1967-01-15
Abstract
No abstract record available.
Inventors
- 👤 Robert M Raney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:15
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; H01M10/42; H01M10/48; H01M10/484; H01M50/00; H01M50/10; H01M50/102; H01M50/103; H01M50/147; H01M50/172; H01M50/174; H01M50/176; H01M50/30; H01M50/50; H01M50/543; H01M50/547; H01M50/55; H01M50/552; H01M50/553; H01M50/572; H01M50/584; H01M50/59; H01M50/591; H01M50/60; H01M50/609; H01M50/627; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |