US2529610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal clutch
Assignee: RTX Corp
•
Filing: 1946-01-15
•
Granted: 1950-11-14
•
Expires: 1966-01-15
Abstract
No abstract record available.
Inventors
- 👤 Harry T Jensen
- 👤 Fritz E Hiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:06
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US258472A
Cited
US1727467A
Cited
US1733703A
Cited
US1819830A
Cited
US1870649A
Cited
US2429697A
Cited
US2456942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |