US2745229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid cooled grinder wheel
Assignee: GEAR GRINDING MACH CO
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Filing: 1955-01-24
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Granted: 1956-05-15
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Expires: 1975-01-24
Abstract
No abstract record available.
Inventors
- 👤 Samuel G Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:31
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/10; B23; B23F; B23F23/00; B23F23/12; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; B23Q1/0036; B24B; B24B55/00; B24B55/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US796466A
Cited
US2167282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |