US799720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic clutch.
Assignee: ARNOLD MAGNETIC CLUTCH Co
•
Filing: 1902-09-22
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Granted: 1905-09-19
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Expires: 1922-09-22
Abstract
No abstract record available.
Inventors
- 👤 Henry H Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:19
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
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) | 1908-09-18 | 1909-03-20 | 1909-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-09-18 | 1913-03-20 | 1913-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-09-18 | 1917-03-20 | 1917-09-19 | $7700.00 | Window Closed / Lapsed |