US2798111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric power supply system
Assignee: Yardney International Corp
•
Filing: 1952-12-20
•
Granted: 1957-07-02
•
Expires: 1972-12-20
Abstract
No abstract record available.
Inventors
- 👤 Adolph W Renke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:39
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38; H01M50/00; H01M50/60; H01M50/673
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US677633A
Cited
US851353A
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US1167499A
Cited
US1218847A
Cited
US2404144A
Cited
US2441896A
Cited
US2529511A
Cited
US2594879A
Cited
US2674946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |