US727641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic clutch.
Assignee: General Electric Co
•
Filing: 1902-10-03
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Granted: 1903-05-12
•
Expires: 1922-10-03
Abstract
No abstract record available.
Inventors
- 👤 Edgar Knowlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:35
CPC Classifications
F; F16; F16D; F16D27/00; F16D2027/005
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) | 1906-05-11 | 1906-11-10 | 1907-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-11 | 1910-11-10 | 1911-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-11 | 1914-11-10 | 1915-05-12 | $7700.00 | Window Closed / Lapsed |