US2807227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery element assembling and burning machine
Assignee: Exide Technologies LLC
•
Filing: 1952-11-21
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Granted: 1957-09-24
•
Expires: 1972-11-21
Abstract
No abstract record available.
Inventors
- 👤 Fred R Kerns
- 👤 Ward Roy
- 👤 Fred C Haak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:28
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; H01M10/14; H01M50/00; H01M50/50; H01M50/531; H01M50/54; H01M50/541; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5191; Y10T29/53; Y10T29/5313; Y10T29/53135; Y10T29/53478
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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |