US2829885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupler
Assignee: Eaton Corp
•
Filing: 1955-05-20
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Granted: 1958-04-08
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Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Robert C Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:04
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D7/022; E; E05; E05D; E05D13/00; E05D13/04; E05D13/06; E05F; E05F11/00; E05F11/38; E05F11/382; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/689; E05D13/10; E05D13/12; E05D13/1253; E05D13/1269; E05F11/44; E05F11/445; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/214; E05Y2201/216; E05Y2201/23; E05Y2201/232; E05Y2201/236; E05Y2201/238; E05Y2201/252; E05Y2201/26; E05Y2201/262; E05Y2201/266; E05Y2201/40; E05Y2201/47; E05Y2201/49; E05Y2400/00; E05Y2400/10; E05Y2400/52; E05Y2400/53; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18792
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052961A
Cited
US2167373A
Cited
US2324145A
Cited
US2679392A
Cited
US2643750A
Cited
US2685949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |