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US3512309A
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US
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Fixture for supporting a tool subject to grinding
Assignee: ROCCO F GRIECO
•
Filing: 1966-07-01
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Granted: 1970-05-19
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Rocco F Grieco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:01
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735245A
Cited
US1448309A
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US1889248A
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US2390428A
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US2432058A
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US2351246A
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US2452089A
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US2480618A
Cited
US2607274A
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US2680973A
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US2700854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |