US2730561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine battery jar support construction
Assignee: American Hard Rubber Co
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Filing: 1949-05-12
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Granted: 1956-01-10
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Expires: 1969-05-12
Abstract
No abstract record available.
Inventors
- 👤 Harold B Cuff
- 👤 Herman A Swoboda
- 👤 Albert J Lorenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:06
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/233; H01M50/242; 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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |