Patent US3466810A successfully refreshed from Google Patents.
US3466810A
Expired / Lapsed
US
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Work rest structure for centerless grinders
Assignee: Sundstrand Corp
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Filing: 1967-03-30
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Granted: 1969-09-16
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Expires: 1987-03-30
Abstract
No abstract record available.
Inventors
- 👤 Robert L Schaller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:58
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/18; B24B5/307
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1691061A
Cited
US1585984A
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US2000586A
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US2427283A
Cited
US2449488A
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US2897636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |