Patent US3427762A successfully refreshed from Google Patents.
US3427762A
Expired / Lapsed
US
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Hydraulically operated self-adjusting steady rest
Assignee: HM Hobson Ltd
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Filing: 1966-12-15
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Granted: 1969-02-18
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Expires: 1986-12-15
Abstract
No abstract record available.
Inventors
- 👤 John Penrose Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:07
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/18; B24B5/307; B24B41/00; B24B41/06; B24B41/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |