US2717675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugally operated magnetic fluid clutch
Assignee: Maytag Corp
•
Filing: 1951-12-21
•
Granted: 1955-09-13
•
Expires: 1971-12-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:07
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/01; F16D37/00; F16D37/02; F16D43/00; F16D43/02; F16D2037/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2193214A
Cited
US2437871A
Cited
US2537335A
Cited
US2503916A
Cited
FR984127A
Cited
US2557140A
Cited
US2671545A
Cited
US2629471A
Cited
US2604198A
Cited
US2605875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |