Patent US709205A successfully refreshed from Google Patents.
US709205A
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US
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Electric condenser and method of making same.
Assignee: AMERICAN ELECTRIC TELEPHONE Co
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Filing: 1901-04-06
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Granted: 1902-09-16
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Expires: 1921-04-06
Abstract
No abstract record available.
Inventors
- 👤 Henry P Clausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:52
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/30; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015; Y10T29/00; Y10T29/43; Y10T29/435
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) | 1905-09-15 | 1906-03-17 | 1906-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-09-15 | 1910-03-17 | 1910-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-09-15 | 1914-03-17 | 1914-09-16 | $7700.00 | Window Closed / Lapsed |