US2430188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping and burning machine for storage battery cell groups
Assignee: National Battery Co
•
Filing: 1944-02-18
•
Granted: 1947-11-04
•
Expires: 1964-02-18
Abstract
No abstract record available.
Inventors
- 👤 William C Sargent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:11
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/50; H01M50/531; H01M50/533; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S164/00; Y10S164/01; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/53135
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) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |