US2456246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery gland for terminals or vents
Assignee: Nickel Cadmium Battery Corp
•
Filing: 1947-05-15
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Granted: 1948-12-14
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Expires: 1967-05-15
Abstract
No abstract record available.
Inventors
- 👤 Berg Carl
- 👤 Berg Mareus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:09
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/30; H01M50/308; H01M50/10; H01M50/172; H01M50/174; H01M50/176; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |