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Patent US1102234A successfully refreshed from Google Patents.
US1102234A
Expired / Lapsed
US
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Electromagnetic telegraph.
Assignee: CHARLES J HENSCHEL
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Filing: 1909-07-02
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Granted: 1914-07-07
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Expires: 1929-07-02
Abstract
No abstract record available.
Inventors
- 👤 Donald M Bliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:32
CPC Classifications
H; H03; H03M; H03M1/00; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/204; G01D5/2073
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) | 1917-07-06 | 1918-01-05 | 1918-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-07-06 | 1922-01-05 | 1922-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-07-06 | 1926-01-05 | 1926-07-07 | $7700.00 | Window Closed / Lapsed |