US2374540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making storage battery retainers
Assignee: Exide Technologies LLC
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Filing: 1940-07-24
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Granted: 1945-04-24
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Expires: 1960-07-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/04; D04; D04H; D04H3/00; D04H3/08; D04H3/16; H; H01; H01M; H01M50/00; H01M50/40; H01M50/471; H01M50/474; H01M50/48; H01M50/486; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S264/00; Y10S264/75
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) | 1948-04-23 | 1948-10-23 | 1949-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-23 | 1952-10-23 | 1953-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-23 | 1956-10-23 | 1957-04-24 | $7700.00 | Window Closed / Lapsed |