US3413728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying charged battery plates
Assignee: Tiegel Manufacturing Co
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Filing: 1967-08-17
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Granted: 1968-12-03
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Expires: 1987-08-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Tiegel
- 👤 Ralph G Tiegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:37
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; F26B23/00; F26B23/02; H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/22; H01M4/23; 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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |