US812773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telegraph instrument.
Assignee: Schwarze Electric Co
•
Filing: 1904-05-31
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Granted: 1906-02-13
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Expires: 1924-05-31
Abstract
No abstract record available.
Inventors
- 👤 Carl J Schwarze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:04
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/02; H01H47/18; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/64
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) | 1909-02-12 | 1909-08-14 | 1910-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-02-12 | 1913-08-14 | 1914-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-02-12 | 1917-08-14 | 1918-02-13 | $7700.00 | Window Closed / Lapsed |