US2947121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding wheel and wheel diameter measuring apparatus
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1959-03-25
•
Granted: 1960-08-02
•
Expires: 1979-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Loring Coes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:19
CPC Classifications
B; B24; B24D; B24D5/00; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/08; B23Q15/10; B24B; B24B47/00; B24B47/10; B24B47/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1880492A
Cited
US1871752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |