US2699461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deferred action battery
Assignee: Burgess Battery Co
•
Filing: 1953-09-22
•
Granted: 1955-01-11
•
Expires: 1973-09-22
Abstract
No abstract record available.
Inventors
- 👤 Milton E Wilke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:40
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272969A
Cited
US2684395A
Cited
US2655551A
Cited
US2684481A
Cited
US2637756A
Cited
US2637757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |