US2689322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating batteries
Assignee: Fox Products Co
•
Filing: 1951-05-21
•
Granted: 1954-09-14
•
Expires: 1971-05-21
Abstract
No abstract record available.
Inventors
- 👤 James B Godshalk
- 👤 Lewis A Medlar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:17
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/44; H01M10/443; H01M10/60; H01M10/61; H01M10/615; H01M10/62; H01M10/625; H01M10/63; H01M10/633; H01M10/637; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S320/00; Y10S320/18; Y10S320/21; Y10S320/22; Y10S320/24; Y10S320/28
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) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |