US2388697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding wheel mounting
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1944-03-28
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Granted: 1945-11-13
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Expires: 1964-03-28
Abstract
No abstract record available.
Inventors
- 👤 Robert H Lombard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/16; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/70; Y10T403/7047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-11-12 | 1949-05-14 | 1949-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-12 | 1953-05-14 | 1953-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-12 | 1957-05-14 | 1957-11-13 | $7700.00 | Window Closed / Lapsed |