US3440109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery with thermostatically controlled electric heaters
Assignee: ANDREW J PLATTNER
•
Filing: 1966-11-22
•
Granted: 1969-04-22
•
Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Plattner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:30
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/78; H01; H01M; H01M10/00; H01M10/60; H01M10/61; H01M10/615; H01M10/63; H01M10/637; H01M10/65; H01M10/654; H01M10/657; H01M10/6571; H01M10/62; H01M10/625; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2516048A
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US2674643A
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US2754407A
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US2811629A
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US3012088A
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US3107290A
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US3371192A
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US3375319A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |