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US666831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for indicating disarrangement of armatures of electric motors or generators.
Assignee: JACOB E FRITZ
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Filing: 1900-08-16
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Granted: 1901-01-29
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Expires: 1920-08-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:32
CPC Classifications
F; F16; F16D; F16D66/00; F16D66/02; F16D66/021; F16D66/022; F16D66/023; F16D66/024
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) | 1904-01-29 | 1904-07-30 | 1905-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-01-29 | 1908-07-30 | 1909-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-01-29 | 1912-07-30 | 1913-01-29 | $7700.00 | Window Closed / Lapsed |