US2817142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic assembly for removing interference-fitted rings
Assignee: Timken Co
•
Filing: 1952-07-19
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Granted: 1957-12-24
•
Expires: 1972-07-19
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Boden
- 👤 Richard F Hofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; B; B21; B21B; B21B31/00; B21B31/07; B23; B23P; B23P11/00; B23P11/02; B23P11/022; B25; B25B; B25B27/00; B25B27/02; B25B27/06; F16C35/062; F16C35/078; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49698; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53104; Y10T29/53109; Y10T29/53652; Y10T29/53683; Y10T29/53696; Y10T29/53796; Y10T29/5383; Y10T403/00; Y10T403/16; Y10T403/1633
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |