Patent US3563806A successfully refreshed from Google Patents.
US3563806A
Expired / Lapsed
US
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Battery capacity and activation indicating structure
Assignee: AMERICA Inc
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Filing: 1967-12-11
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Granted: 1971-02-16
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Expires: 1987-12-11
Abstract
Abstract IN CONJUNCTION WITH THE TRANSPARENT PORTION OF THE BATTERY FOR COMPARSION WITH THE MEANS POSITIONED BEHIND THE TRANSPARENT BATTERY PORTION. BATTERY STRUCTURE INCLUDING VISIBLE MEANS FOR INDICATING THE REMAINING CAPACITY OF THE BATTERY AND FOR INDICATING ACTIVATION OF A DEFERRED ACTION BATTERY. THE STRUCTURE INCLUDES A TRANSPARENT BATTERY PORTION AND MEANS POSITIONED BEHIND THE TRANSPARENT BATTERY PORTION FOR PRESENTING A VISIBLE COLOR CHANGE ON A CHANGE IN BATTERY CAPACITY AND/ OR ACTIVATION OF THE BATTERY. A COLOR CODE IS PROVIDED
Inventors
- 👤 Wayne R Hruden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:38
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/172; H01M50/174; H01M50/182; H01M6/00; H01M6/30; H01M6/50; H01M6/5044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |